electric mortar & pestle grinder

electric mortar & pestle grinder

The Electric Automatic Laboratory Mortar GrinderMill Model 911MPEMG100 is used to reproducibly grind, homogenize and mix a wide range of solid materials in dry / wet or cryogenic condition. The material to be processed falls into the Pulverizing area between Mortar and Pestle by top feeding via the opening which is at the inlet cover. The material is then pulverized and mixed between the Mortar inner surface area and the bottom of the pestle. In order to match the necessary top pressure with the requested end fineness and the breaking behaviour of the sample to be prepared the MG100 is equipped with and adjustable. Top Pressure Mechanism with scale and a variable speed setting 50-130 rpm and a flexible scraper setting.

No other grinding system is more easy to clean then the Model 911MPEMG100 ElectricMortar GrinderMill. When the grinding process is finished the Mortar and Pestle can be taken out with a bayonet lock in order to perform a quick cleaning of the grinding tools.

The Electrical Mortar Grinder Mill is the central machine in todays laboratory sample pre-preparation. This system is suitable for the fine grinding of any dry substance, as well as for suspensions with different viscosities for analysis, quality control and material testing. It is perfectly suitable for the homogenization of creams and pastes. Typically samples with a feed size of up to 8-10mm and a total batch of up to 200 ml (volume depending on the characteristic of the samples) can be ground down to 10-20 m.

The Mortar Grinder is the central machine in a sample prep. Laboratory of today. This system is suitable for the fine grinding of any dry substance, as well as for suspensions with different viscosities for analysis, quality control and material testing. It is perfectly suitable for the homogenization of creams and pastes. Typically samples with a feed size of up to 8-10mm and a total batch of up to 200 ml (volume depending on the characteristic of the samples) can be ground down to 10-20m.

Universal, High Performance Mortar Grinder for processing of solid materials in dry, wet or cryogenic conditions. A Superior Mortar Grinder engineered to reproducible grind and mix sample volumes from 10 up to 200ml.

Top Pressure Mechanism with scale and a variable speed setting 50-130 rpm, as well as a flexible scraper setting.Only due to the combination of this 3-key adjustment feature, a wide range of sample preparation tasks can be reached.

No other grinding system is easier to clean than the 911MPEMG100 Mortar Grinder. When the grinding process is finished, the mortar and pestle can be removed by a bayonet lock in order to perform a quick cleaning of the grinding tools.

Maximum grinding performance and maximum safety are important for mills. Due to an integrated safety switch, the machine can only be started when the Easy Lock Cover is closed. The Adjustment Mechanism allows simple, fast setting changes and fine adjustment. The cover, as well as the housing, of the 911MPEMG100 is made from solid steel. The ergonomic design of the machine and the front panel ensure easy and simple setting of all working parameters.

The Mortar Grinder Model MG100 is used to reproducibly grind, homogenize and mix a wide range of solid materials in dry / wet or cryogenic condition. The material to be processed falls into the Pulverizing area between Mortar and Pestle by top feeding via the opening which is at the inlet cover. The material is then pulverized and mixed between the Mortar inner surface area and the bottom of the pestle. In order to match the necessary top pressure with the requested end fineness and the breaking behaviour of the sample to be prepared the MG100 is equipped with and adjustable Top Pressure Mechanism with scale and a variable speed setting 50-130 rpm and a flexible scraper setting.

The Mortar Grinder is the central machine in a sample preparation Laboratory of today. This system is suitable for the fine grinding of any dry substance, as well as for suspensions with different viscosities for analysis, quality control and material testing. It is perfectly suitable for the homogenization of cremes and pastes. Typically samples with a feed size of up to 8-10mm and a total batch of up to 200 ml (volume depending on the characteristic of the samples) can be ground down to 10-20m.

The Mortar Grinder is the central machine in a sample preparation Laboratory of today. This system is suitable for the fine grinding of any dry substance, as well as for suspensions with different viscosities for analysis, quality control and material testing. It is perfectly suitable for the homogenization of cremes and pastes. Typically samples with a feed size of up to 8 -10mm and a total batch of up to 200 ml (volume depending on the characteristic of the samples) can be ground down to 10-20m.

Congratulations on your purchase of this Mortar Grinder. Only original replacement parts respectively purchased parts complying with the original state may be used. Guarantee claims are only valid if no changes are made to the original state of this Mortar Grinder. We assume no liability for damage caused by failure to comply with these instructions or by inappropriate behaviour. This technical manual may not be duplicated or passed on to third parties, either totally or partially

The Mortar Grinder is designed to be used with properly fitted Mortar and Pestle always made of the same material. If any other kinds of material are fed into the machine, this can cause major accidents or damage to the Mortar Grinder.

The original state of the machine may not be changed. Safety devices may not be changed, removed or bridged. All maintenance and repair work may only be carried out by qualified staff when the machine is at a standstill and disconnected from the power supply.

The operating staff at the machine must always use the personal safety gear prescribed by law and provided by the employer. We recommend using safety gloves, working shoes and a face mask when working with dangerous material.

The staff responsible for operating and maintaining the machine must be trained and suitable for these jobs of work. Precision and safety in machine checks must be guaranteed. The responsible staff must have read and understood this operating manual.

There is an added risk of accidents during maintenance and servicing work. This is why all jobs of work must be carried out with the machine at a standstill by experienced and skilled staff capable of taking the safety precautions for major maintenance work.

The machine may only be operated, maintained and repaired by trained staff. In particular, these people must have read and understood the complete operating manual in the interests of all those involved. This is the only way to guarantee safe, trouble free operation.

To be carried out only by qualified staff (see also 3.4). Wear safety gloves. Switch machine off. After maintenance, fit all the safety devices back in their correct positions and check that they function properly.

In the case of malfunctions, interrupt the power supply immediately and secure it to prevent the machine being switched on again. Only use the fuses stated in the circuit diagram. Connection, maintenance and servicing should only be carried out by an electrician.

Guarantee or compensation claims are null and void when the damage has been caused by improper transport or improper handling. Examine the Mortar Grinder for any signs of transport damage immediately after transport, have any such damage acknowledged in writing by the carrier, inform the insurance company and the supplier.

These jobs of work may only be carried out by qualified staff. The connections must be completed carefully. Errors can pose a mortal danger. The connection regulations of the responsible power utility company must be observed.

After setting the parameters or after loading the program you can press Next. You will see overview of the program and from here you can press Start program after that the machine will start running the program. You can press Stop programs any time you like if you wish to stop the program

91/368EWG European machine guideline 73/23/EWG EC Low Voltage Guidelines EN 292, 294, 418 Safety guidelines VBG 1,4,5 en 22 General electrical facitilies 89/336/EEC Electromagnetic Compatibility Directive (EMC) EN 5008-1-1992 Emissions EN 50082-1-1992 Immunity EN 60204-1 Part 1 Safety of Machinery Electrical Equipment of Machines

This equipment is required to be operated strictly in accordance with the instructions given in the operating manual supplied with the product. All supply voltages and frequencies as stated on the rating plate must be used.

For finely pulverizing small samples, already reduced by means of the iron mortar and pestle to pass a No. 100 sieve, the agate mortar is indispensable; except when the ore or mineral is very soft, when a Wedgwood mortar and pestle may be used. From the size and shape of the ordinary agate mortar and pestle the operation of grinding is very tedious. It may be greatly facilitated, however, by cutting a hole, of such size and shape as to hold the mortar firmly, in the middle of a block of hard wood, a foot or so square. The pestle is then fixed in a piece of round brass tubing of sufficient bore to hold it firmly, or else in a round hard wood handle.

Some ten or fifteen years ago Mr. Maunsel White, of the Bethlehem Iron Company, designed a mechanically operated agate mortar and pestle for use in the laboratory of the above concern. This grinder is illustrated and described in Blairs The Chemical Analysis of Iron.

The McKenna Bros. Brass Co., Pittsburg, Pa., have also brought out a mechanically operated agate mortar and pestle. This is illustrated in Fig. 72. It consists of a revolving table on which the agate mortar is clamped, while the agate pestle is firmly fixed in a shaft revolving at a slight angle from the vertical. This machine reproduces almost exactly the motion used in hand grinding. The spring at the top of the sliding rod, to which the agate pestle is fixed at the bottom, can be adjusted to give any desired pressure, or can be thrown back entirely to allow the pestle to be raised in removing the agate mortar. The mortar is readily removed by loosening a set screw and dropping one of the four posts holding the mortar in place. A scraper keeps the ore in the center

of the mortar, and the combined rolling and sliding motion of the pestle, which is controlled by a ball and socket side arm, reduces the hardest ore very rapidly, no attention being required from the operator. The grinder may be operated by any convenient power, of which not to exceed 1/8 horse-power is required. The mortar used has a diameter of about 4 inches. These mortars were introduced into many laboratories and gave good satisfaction.

The agate mortar is, of course, intended only for grinding very small quantities (5 or 10 grams) of ore at a time. It has one great advantage over other forms of pulverizers in that it can be used to reduce the hardest ores to a fine powder without danger of contamination of the sample from the wear of the mortar and pestle. When soft materials, such as coal have to be ground, large Wedgwood mortars and pestles are very useful. In using these, however, the material should be merely rubbed between the

Iron mortars can be obtained in a variety of shapes and sizes. Usually for this work, however, two mortars will be found handy, one of about a quart capacity and one holding about 2 gallons. These mortars should have their inside surfaces chilled. This will make the wearing surface of the mortar hard, while the iron itself will be tough enough to withstand the blows of the pestle. If the mortar and pestle are made of steel, they should be tempered, and the temper drawn from the outside of the mortar, leaving the latter tough.

In pulverizing very hard ores, the wear and tear on the pestle and mortar is often enough to contaminate the sample, to an appreciable degree, with splinters, etc., of iron. If the material to be powdered is neither magnetic nor contains magnetic substances, the iron entering the sample from the mortar and pestle may be removed by the use of a magnet. For pulverizing samples of spiegel or white iron, mortars of high carbon steel, properly tempered and toughened as mentioned above, should be used.

Mortars having handles, or trunnions, projecting from each side to facilitate lifting and emptying are also for sale. Very heavy iron mortars may be attached to a block and tackle, so that the mortar can be lifted and emptied conveniently. The attachment can usually be most conveniently made by means of a wrought iron band or collar clamping around the upper part of the mortar and having a ring welded to it, through which the tackle may be run.

Mortars can best be set upon large blocks of wood while the pounding is going on. In order to keep the pieces of material from flying out from under the pestle and escaping from the mortar, the latter should be covered with a large piece of leather, having a hole cut through the middle for the pestle to pass through. Mortars can usually be cleaned by merely brushing out well with a stiff bristle paint brush. When material clings to the side, however, this can be removed by triturating a little clean dry sand in the mortar and then brushing this latter out.

soil grinders - gilson co

soil grinders - gilson co

Soil Grinder quickly prepares samples for Atterberg Limits or grain size testing and other standard lab tests. It is an efficient method for reducing agglomerations of caked soil to individual grains, and much less labor-intensive than a manual mortar and pestle operation. The SA-45grinders preserve true grain size for accurate and repeatable test results. The hopper has a 1pint (0.473L) capacity and features a manually operated gate to control the feed rate to the grinding chamber. The operation is simple: just load the hopper, start the grinder, and use the gate to control the material feed. A No. 10 (2.0mm) perforated stainless steel plate is included to retain larger particles. Most soil types are processed completely in less than 30 seconds per pint.

Rugged stainless steel contact parts reduce sample contamination. The reliable direct-drive motor and the grinding unit are mounted on a sturdy painted steel tripod stand. An in-line switch controls motor operation. A stainless steel lid covers the hopper during operation. Available in models that operate on 110V/60Hz or 220V/50Hz power supplies.

pulveriser crusher bowl image

pulveriser crusher bowl image

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biospec products pulverizers

biospec products pulverizers

Pre-Chopping. No matter what mechanical device is used to homogenize or lyse tissue (bead-mill, tissue grinder, rotor-stator device, ultrasonicator, high-pressure press, etc) the tissue will process faster if it is first reduced to very small pieces (<1 mm pieces).If the tissue is fresh, size reduction can be done by repetitive chopping with a scalpel or single-edge razor blade. Another way to pulverize tissue is to freeze it in liq N2 and impact it with with a hammer or a spinning blade. Called cryopulverization, the method is fast and improves the yield of proteins or nucleic acids after subsequent homogenization steps.Tools to cryopulverize tissue...

Pre-Chopping. No matter what mechanical device is used to homogenize or lyse tissue (bead-mill, tissue grinder, rotor-stator device, ultrasonicator, high-pressure press, etc) the tissue will process faster if it is first reduced to very small pieces (<1 mm pieces).

If the tissue is fresh, size reduction can be done by repetitive chopping with a scalpel or single-edge razor blade. Another way to pulverize tissue is to freeze it in liq N2 and impact it with with a hammer or a spinning blade. Called cryopulverization, the method is fast and improves the yield of proteins or nucleic acids after subsequent homogenization steps.

The Bio Cryo Tissue Grinder is a high-speed blade mill. The tightly sealed, 3/4 cup capacity (~200 ml) grinding chamber has a sealed pour spout for optional addition and removal of extraction liquids after "dry" grinding.

The Bio Cryo Tissue Grinder is a high-speed blade mill. The tightly sealed, 3/4 cup capacity (~200 ml) grinding chamber has a sealed pour spout for optional addition and removal of extraction liquids after "dry" grinding.

The BioPulverizer quickly fragments hard frozen tissue samples into tiny pieces the size of grains of sand or course powder. The primary benefit of pulverizing pieces of tissue is to optimize subsequent rapid and complete cell lysis using lytic solutions or mechanical homogenizers. For difficult tissues such as tendon, skin, and tumors it is an essential step (read more). The BioPulverizer is also used at room temperature to fragment friable, dry biomaterial such as non-oily seeds, bone and teeth.There are four different hand-operated BioPulverizers for quickly pulverizing 10 mg to 10 g of frozen tissue.Cat. No. 59012N, BioPulverizer, capacity 10-100mgCat. No. 59013N, BioPulverizer, capacity 0.1-1gCat. No. 59014N, BioPulverizer, capacity 1-10gCat. No. 59012MS, MultiSample BioPulverizer, 12 wells, capacity 10-100mg per well**Twelve pestles are included with each 59012MS.

The BioPulverizer quickly fragments hard frozen tissue samples into tiny pieces the size of grains of sand or course powder. The primary benefit of pulverizing pieces of tissue is to optimize subsequent rapid and complete cell lysis using lytic solutions or mechanical homogenizers. For difficult tissues such as tendon, skin, and tumors it is an essential step (read more). The BioPulverizer is also used at room temperature to fragment friable, dry biomaterial such as non-oily seeds, bone and teeth.There are four different hand-operated BioPulverizers for quickly pulverizing 10 mg to 10 g of frozen tissue.

Cat. No. 59012N, BioPulverizer, capacity 10-100mgCat. No. 59013N, BioPulverizer, capacity 0.1-1gCat. No. 59014N, BioPulverizer, capacity 1-10gCat. No. 59012MS, MultiSample BioPulverizer, 12 wells, capacity 10-100mg per well*

The BioSqueezer is used to "snap-freeze" (quickly freeze) 10-100 mg of soft animal and human tissue. It does the same thing as a classic freeze clamp but is easier to use and gives more reproducable results.Fresh tissue is compressed into a thin disc about the size of a small coin under pressure from a stainless steel clamp head that has been pre-cooled in liquid nitrogen or dry ice. Freezing occurs in a few milliseconds, thus offering a "snapshot" of metabolic events in the cells. The hard frozen disc is easily fragmented by hand or by grinding in a Cryo-Cup mortar and pestle for subsequent rapid extraction of labile nucleic acids*, proteins and other intracellular products.* Very high molecular weight DNA is obtained by cryo-pulverizing hard frozen tissue using one of our dry-milling devices (see Cryo-Cup mortar and pestle, BioPulverizer , or MiniBeadbeater) followed by passive extraction (i.e., minimum physical stirring, pipetting or agitation during the cell lysis step in DNA extraction solution).

The BioSqueezer is used to "snap-freeze" (quickly freeze) 10-100 mg of soft animal and human tissue. It does the same thing as a classic freeze clamp but is easier to use and gives more reproducable results.

Fresh tissue is compressed into a thin disc about the size of a small coin under pressure from a stainless steel clamp head that has been pre-cooled in liquid nitrogen or dry ice. Freezing occurs in a few milliseconds, thus offering a "snapshot" of metabolic events in the cells. The hard frozen disc is easily fragmented by hand or by grinding in a Cryo-Cup mortar and pestle for subsequent rapid extraction of labile nucleic acids*, proteins and other intracellular products.

* Very high molecular weight DNA is obtained by cryo-pulverizing hard frozen tissue using one of our dry-milling devices (see Cryo-Cup mortar and pestle, BioPulverizer , or MiniBeadbeater) followed by passive extraction (i.e., minimum physical stirring, pipetting or agitation during the cell lysis step in DNA extraction solution).

The Cryo-Cup Grinder is a mortar and pestle specifically designed to pulverize and powder plant and animal tissue samples at liquid nitrogen temperatures. It gives superior results compared to conventional ceramic mortar-pestles.Cat. No. 206, Cryo-cup Grinder, complete. Includes two different size polypropylene pestle balls. See below for extra cups (mortars) and pestle balls.Cat. No. 206C, Extra s.s. mortar with insulated cup. (Pestle not included)Cat. No. 206PP138, Polypropylene pestle ball, 1 3/8 inch dia.Cat. No. 206PP178, Polypropylene pestle ball, 1 7/8 inch dia.Cat. No. 206SS138, Stainless steel pestle ball, 1 3/8 inch dia.Cat. No. 206SS178, Stainless steel pestle ball, 1 7/8 inch dia.Cat. No. 206H, Spare handle for use with pestle ball

The Cryo-Cup Grinder is a mortar and pestle specifically designed to pulverize and powder plant and animal tissue samples at liquid nitrogen temperatures. It gives superior results compared to conventional ceramic mortar-pestles.

Cat. No. 206C, Extra s.s. mortar with insulated cup. (Pestle not included)Cat. No. 206PP138, Polypropylene pestle ball, 1 3/8 inch dia.Cat. No. 206PP178, Polypropylene pestle ball, 1 7/8 inch dia.Cat. No. 206SS138, Stainless steel pestle ball, 1 3/8 inch dia.Cat. No. 206SS178, Stainless steel pestle ball, 1 7/8 inch dia.Cat. No. 206H, Spare handle for use with pestle ball

The Mini Leaf Crusher is a hand-held clamp designed for sampling plants and their pathogens in the field and other locations distant from the analytical laboratory. Used in combination with its unique BioSpec DNA Sample Card, the intracellular contents of leaves, stems, and root tissue are crushed by clamping at thousands of pounds per inch, The released cell extract is immediately captured and stabilized on special cellulose filter paper located within the compact Sample Card. Multiple samples can be collected in a day and no preservatives or low-temperature storage is required for transit of the card(s) to the laboratory for subsequent RNA or DNA analysis.Using published techniques, the bound nucleic acids can be then be extracted in minutes from the special filter paper in the Card in a purified state ready for direct application in downstream PCR-based methodologies or genome sequencing. The Card alone has additional applications. It is used to stabilize and transport microliter quantities of blood, sputum, urine, and homogenized processed foods.The Mini Leaf Crusher comes with an introductory five-pack of BioSpec DNA Sample Cards. Additional Sample Cards can be ordered separately.Cat. No. MLC320, Mini Leaf Crusher includes 5 BioSpec DNA Sample CardsCat. No. DSC20, BioSpec DNA Sample Cards, 20 packCat. No. DSC50, BioSpec DNA Sample Cards, 50 pack

The Mini Leaf Crusher is a hand-held clamp designed for sampling plants and their pathogens in the field and other locations distant from the analytical laboratory. Used in combination with its unique BioSpec DNA Sample Card, the intracellular contents of leaves, stems, and root tissue are crushed by clamping at thousands of pounds per inch, The released cell extract is immediately captured and stabilized on special cellulose filter paper located within the compact Sample Card. Multiple samples can be collected in a day and no preservatives or low-temperature storage is required for transit of the card(s) to the laboratory for subsequent RNA or DNA analysis.

Using published techniques, the bound nucleic acids can be then be extracted in minutes from the special filter paper in the Card in a purified state ready for direct application in downstream PCR-based methodologies or genome sequencing. The Card alone has additional applications. It is used to stabilize and transport microliter quantities of blood, sputum, urine, and homogenized processed foods.

pulverizer at thomas scientific

pulverizer at thomas scientific

The stainless steel Bessman Tissue Pulverizer consists of a 2 component mortar with handles and a pestle, specifically designed for pulverizing 10 - 1000mg of tissue. After chilling the Pulverizer in liquid nitrogen, the included 28cm lead hammer is used on the mortar to completely homogenize the

The BioPulverizer reduces tissue hard-frozen in liquid nitrogen to a fine powder. Because of the high water content, most fresh tissue becomes as brittle as glass at liquid nitrogen temperatures. A sharp blow with a hammer will shatter it into tiny pieces. Called freeze-fracturing or

Pulverize tissue and extract DNA or RNA from tiny tissue samples within a microcentrifuge tube. Stainless steel mortar has a welded fixture to hold a 1.5ml microcentrifuge tube. The mortar is suspended above a stainless steel cavity which holds the liquid nitrogen and is nested in a heavily

High-energy ball mill that accommodates sample sizes ranging from 0.2 - 10 grams. Ideal for grinding dry, brittle samples, mechanical alloying, slurry grinding, blending powders, and mixing emulsions. Typical samples include rocks, minerals, sand, cement, slag, ceramics, catalyst supports, glass,

Grinding jars from 12 to 500 mL Reproducible results Multi-language GUI The PM 100 planetary ball mill is a benchtop unit designed to pulverize soft, fibrous and brittle materials. The mill develops extremely high centrifugal forces resulting in energy input that is up to 50% higher

Metal Bead Lysing Matrix is used to break hard/brittle samples. Specialty applications include RNA and protein extraction from difficult samples where lysis by impaction only is preferable with minimal amounts of mechanical shearing. Contains 1/8" (3.175 mm) diameter stainless steel beads.

Lysing matrix C, 15mL tubes are for rapid and reliable biological sample lysis from a wide variety of starting materials. Lysing matrix C is a critical component of FastPrep sample preparation system. Each impact-resistant 15 mL tube contains 1 mm silica spheres. Applications

Each 96 deep well rack comes with 1.2 mL cluster-strip tube and cap assemblies. Each tube is pre-filled with garnet matrix and 1 (one) 4 mm glass grinding sphere. Lysing Matrix A is used for all sample types except soil for the subsequent isolation of genomic DNA. This grinding matrix is chemically

be used for a Mohs hardness up to 6 (incl. with delivery). Cutting grinding for pulverizing soft, fibrous materials with a cutting blade (not incl. with delivery). Moist and gluey materials can be pulverized by adding water Grinding chamber made of Tefcel (PTFE, glass fiber-reinforced)

Lysing Matrix SS contains one 1/4" stainless-steel grinding ball to break hard/brittle samples. Impact-resistant tube RNA extraction from difficult samples Lysis by impaction with minimal mechanical shearing Lysing Matrices are critical components of the FastPrep

A compact, low cost screw-press designed to pulverize 50-500mg of hard, brittle material such as bone or teeth. If fresh tissue is used, the sample is cooled in liquid nitrogen to make the tissue hard and brittle, inserted into in the pre-cooled pulverizer 'nut' and then crushed by manually screwing

The BeadBeater disrupts microorganisms, single-cell preparations and pulverized plant and animal tissue with better than 95 percent efficiency. Up to 80 grams (wet weight) of cells can be processed in a typical three minute run. Relying on a unique crushing or cracking action rather than high shear

Used primarily for lysis of gram positive and gram negative bacteria, fungal tissue and spores, yeasts, molds, filamentous algaes and biofilms. 0.5mm Yttria-Stabilized Zirconium Oxide Spheres High density and hardness Smooth surface minimizes shearing Ideal for cracking very tough

Lysing Matrix I is used for breaking very tough and hard samples, including organisms within a tough or dense exterior matrix. Impact-resistant tube High density, tensile strength and hardness High impaction but low shearing Lysing Matrix I useful in applications such as

Each 96 deep well rack comes with 1.2 mL cluster-strip tube and cap assemblies. Each tube is pre-filled with 1.4 mm ceramic spheres. Lysing Matrix D is used primarily for lysis of softer tissues like brain, liver, kidney, lung, and spleen. Also used to lyse plant tissue such a leaves, roots, and

Each 96 deep well rack comes with 1.2 mL cluster-strip tube and cap assemblies. Each tube is pre-filled with 0.1 mm silica spheres. Lysing Matrix B is used primarily for lysis of gram positive and gram negative bacteria and will also disrupt fungal tissue and spores. Can also be used as an additive

Applications: The Fast DNA SPIN Kit for Feces quickly and efficiently isolates PCR-ready genomic DNA from fresh or frozen human and animal stool samples. Product Overview: Samples are placed into 2.0 mL tubes containing Lysing Matrix E, a mixture of ceramic and silica particles

Applications : The Fast DNA SPIN Kit for Soil is designed to efficiently isolate bacterial, fungal, plant and animal genomic DNA from soil and other environmental samples. It quickly and efficiently isolates PCR-ready genomic DNA directly from soil samples in less than 60 minutes.

Each 96 deep well rack comes with 1.2 mL cluster-strip tube and cap assemblies. Each tube is pre-filled with 1.4 ceramic spheres, 0.1 mm silica spheres, and 1 (one) 4 mm glass bead. Lysing Matrix E is primarily used for environmental samples such as soil, sludge, wastwater and feces. Lysing Matrix E

Zirconium sphere, Banded Satellite; Garnet Flakes, Block, Sharp angular grains, Sub-angular to sub-rounded Each impact-resistant 15 mL tube contains garnet matrix and 10 (ten) 1/4 inch ceramic sphere. Lysing Matrix A is used for all sample types except soil for the subsequent isolation of

Lysing Matrix S is used to break hard/brittle samples. Impact-resistant tube RNA and protein extraction from difficult samples Lysis by impaction with minimal mechanical shearing Lysing Matrices are critical components of the FastPrep Sample Preparation system. MP

Lysing Matrix S is used to break hard/brittle samples. Impact-resistant tube RNA and protein extraction from difficult samples Lysis by impaction with minimal mechanical shearing Lysing Matrices are critical components of the FastPrep Sample Preparation system. MP

Lysing Matrix K is effective in breaking fungal spores, cysts, and yeast polysaccharide capsules. 0.8mm zirconium silicate beads Impact-resistant tube High density, tensile strength and hardness Lysing Matrices are critical components of the FastPrep Sample Preparation

Lysing Matrix SS contains one 1/4" stainless-steel grinding ball to break hard/brittle samples. Impact-resistant tube RNA extraction from difficult samples Lysis by impaction with minimal mechanical shearing Lysing Matrices are critical components of the FastPrep

'cool tools' for cryopulverizing tissue and microbial samples | labcompare.com

'cool tools' for cryopulverizing tissue and microbial samples | labcompare.com

Cryopulverization, also called cryogrinding, is often the first step in homogenizing tough tissues (skin, cartilage), tissues containing heat- or shear-labile components (enzymes, RNA, DNA), or samples containing important volatile components or oils (cannabinoids, flavor extracts). Tissue samples frozen to cryogenic temperatures of -80C or lower become hard and embrittled. In that physical state, an impact or grinding action shatters tissue much like it were a piece of glass. The end result is a granulated or powdered tissue ideally suited for cell disruption and extraction procedures. Typical product yields using this method are 10-20% higher than the direct extraction of fresh or air-dried biomaterial.

The classic cryogrinder, a ceramic mortar and pestle precooled to dry ice or liquid nitrogen temperatures, has been in use for generations. While uncomplicated and low in cost, mortar and pestles are not easy to clean between samples and total sample recovery is difficult.

Laboratories now have a choice of several different devices to cryopulverize or cryogrind small tissue samples. The most popular is a freeze-fracturing device called a BioPulverizer or a Bessman tissue pulverizer. This compact tool is manufactured by BioSpec Products and Spectrum Medical Industries, respectively. Looking somewhat like a tablet press and coming in a selection of tissue capacities, a pulverizer consists of a hole machined into a thick-walled, stainless steel base into which loosely fits a piston or rod. The base and piston are pre-cooled to liquid nitrogen (liq N2) temperatures ard pre-frozen animal or plant tissue is placed inside the chilled hole. The chilled piston is placed on top of the hard frozen tissue sample, and with a few sharp blows with a hand-held hammer, the piston fragments normally fibrous or rubbery tissue into particles the size of grains of salt or smaller. Still-frozen, the material is then transferred to cold cell lysis extraction media for final cell lysis using a mechanical homogenizer...for example, a high-speed bead-mill cell disrupter, rotor-stator homogenizer, ultrasonicator or a Dounce tube and pestle.

In addition to the BioPulverizer, three other hand-operated cryopulverizers are the MicroCryoCrusher, a hand-operated screw press especially suited for cryopulverizing small samples of bone or teeth; the BioCryoTissueGrinder, a high-speed blade mill that cryopulverizes 0.5 to 10 grams of plant or animal tissue in the presence of dry ice, and the Cryo-cup Grinder, an insulated mortar and pestle specifically designed for cryopulverization. All are manufactured by BioSpecProducts and their cost is about $100.

Also used in cryogenic applications, the BioSqueezer is used to "snap-freeze" (quick freeze) 10-100 mg of soft animal tissue such as liver, brain, or muscle. This tool is a redesign of the classic freeze-clamp tongs. Snap-freezing offers a "snapshot" of metabolic events in tissue cells. The device freezes a small sample in a few milliseconds.

Easier to use and delivering more reproachable results, the fresh tissue is inserted into a small poly-bag and compressed with a Liq N2-chilled stainless steel clamp head into a thin disc about the size of a coin. The hard frozen disc can be easily fragmented by hand or crushed in a chilled mortar and pestle for subsequent rapid extraction of labile nucleic acids, proteins, and other extracellular products.

Several manufacturers make motor-driven beed, ball- or hammer-mills capable of cryopulverizing many tissue and microbial samples in vials or deep-well microplates. Companies manufacturing these shakers include BioSpec Products, Cole-Parmer, Fritsch, IKA, Retsch, and Spex. The price of these multi-sample grinding pulverizers range from $2000 to $7000, but their large throughput makes up for the expense. Although cryogrinding of biological samples with steel beads or balls generally takes only a few seconds, heat generated by the collision of the grinding media can quickly warm samples in the vial. Proactive maintenance of cryotemperatures during the grinding process is essential. These high throughput machines address this by using pre-chilled, thick-walled metal tube holders; pre-chilled metal sample tubes; or by bathing vials with a drizzle of liquid nitrogen or flow of chilled air flowing through pieces of dry ice.

The main application for many multi-sample bead-mill cell disrupters (aka, Beadbeaters) is wet-milling ... the grinding of a sample in an excess of liquid media. Wet milling is commonly done inside 2 ml screw-cap polypropylene microtubes using glass or ceramic beads. These shaking machines operate at very high frequencies (1500-4000 oscillations/min) with vial displacements greater than 3/4 inch. This can be a problem when cryogrinding (a type of dry grinding) using steel beads...a bead five times more dense than glass. Many common plastic microvials or plates containing steel beads chilled to cryo-temperatures will crack or be breached during the grinding process. This problem is overcome by using special 2 ml polypropylene screw cap vials having a heavier wall and cap thickness (called XX Tuff vials), or 2 ml stainless-steel vials having custom silicone stoppers. Both are available from BioSpecProducts.

Sourcing liquid nitrogen or dry ice has become more convenient. Many welding supply stores now stock bulk tanks of liquid nitrogen and can half-fill a quart- or gallon-sized vacuum flask or a foam-insulated picnic juice container for a small fee. Use a loose-fitting styrofoam plug to cap the container. And for dry ice, it is often found in larger supermarkets.

For those exploring cryogrinding for the first time, handling a container of liquid N2, and its use to chill your sample is mostly a matter of common sense. Respectfully treat it as though it were a container of scalding hot water. Use a plastic cup or bowl to contain the liquid N2 while chilling the tool or sample. Wearing safety glasses, pour liquid N2 from its container slowly. As it comes in contact with the room-temperature tool or sample expect the liquid N2 to sizzle and boil like water droplets falling on a hot cooking pan. When the object you are cooling stops boiling away liquid N2, it has reached the temperature of Liq N2. Handle chilled vials and cryo-tools with insulated gloves and tongs. In most cases grinding and pulverizing tools are made of steel or ceramic and will maintain their low temperature long enough to complete the pulverizing and grinding procedure without the need for further re-chilling.

laboratory soil grinder - geotechnical

laboratory soil grinder - geotechnical

It is an efficient method for reducing agglomerations of caked soil to individual grains, and much less labor intensive than manual mortar and pestle operation. It preserves true grain size for accurate and repeatable test results.

soil sample preparation, soil grinders, soil mixers

soil sample preparation, soil grinders, soil mixers

Testing of soil for building construction or of any structure should always be the first step in planning to ensure the suitability of soil properties. The soil will need to handle the stress emanating from the structure and any unreliable or undetermined tests can be catastrophic to its ultimate life span and safety. more

The specific types of tests needed will depend on the properties of the soil and the type of construction project. Thorough understanding of soil properties can even sometimes enable engineers to build in potentially problematicareas.

In order for soil samples to be correctly and thoroughly tested in the lab, they must first be collected and processed. The soil samples need to be dried, ground and sieved before they are analyzed. A number of different tools are employed for proper preparation of the soil samples for testing. Soil grinders are used to prepare samples for evaluation of grain sizes, Atterberg Limits and other tests. Soil mixers are designed to mechanically mix the sample with an in situ binder. The process breaks up the soil, injects a binder at low pressure and mixes the binder with thesoil.

The Electric Disk Grinding Mill is used globally for sample. The grinding mill head and plates are made with quality materials for durability and long service life. The grinding mill head is easily removed and disassembled forcleaning.

The Humboldt Laboratory Mixer (5L 5.3 qt.) provides testing labs with a higher quality than a typical lab mixer. The mixer features a clear safety cover for sealed mixing and allows for materials to be added to the mix via a port at the top of themixer.

The Mortar Mixer (5L 5.3 qt.) is a high-quality ASTM mixer that provides a more durable and lower cost alternative to the Hobart mixer. It features a robust design and works especially well for efficient mixing of cement pastes andmortar.

percussion mortar and pestle - sample analysis - asc scientific

percussion mortar and pestle - sample analysis - asc scientific

The percussion mortar and pestle are designed for preparation of small samples for analysis by X-ray diffraction (XRD). You simply insert the sample into the cylinder, insert the pestle and strike the pestle repeatedly with a hammer. The resulting product is then sieved to provide the appropriate size range particles for analysis. The unit is robustly constructed of hardened tool steel for long service. Rounded base has a 3 diameter

mortar grinder pulverisette 2 | laval lab

mortar grinder pulverisette 2 | laval lab

The Automatic Mortar Grinder Pulverisette 2 is ideal for universal grinding of medium-hard-brittle to soft-brittle materials (dry or in suspension) to analytical fineness, as well as for formulation and homogenisation of pastes and creams at laboratory scale.

The Mortar Grinder Pulverisette 2 is an essential instrument for the processing laboratory. It is suitable for fine grinding of inorganic and organic samples for analysis, quality control and material testing.

Maximum feed size: 8 mm (5/16) Final fineness: down to 10-20 m Maximum capacity: 190 ml Grinding materials: Agate, sintered corundum (aluminum oxide), hard porcelain, zirconium oxide, stainless steel, tempered steel, tungsten carbide Dimensions (WxDxH): 31x46x41 cm (12x18x16) Weight: 24 kg (53 lbs.) Certified safety (CE mark) optional CSA approval for Canada 2-year warranty

Similar to a hand mortar, using pressure and friction, the pestle, with its large grinding surface, grinds the material against the walls and bottom of the mortar bowl. The mortar bowl is turned by a gear motor and drives the pestle with its freely rotating bearing through friction. It allows a uniform and gentle grinding through friction, mixing or homogenisation of organic and inorganic samples, with no thermal load dry or in suspension.

Similar to a hand mortar, using pressure and friction, the pestle, with its large grinding surface, grinds the material against the walls and bottom of the mortar bowl. The mortar bowl is turned by a gear motor and drives the pestle with its freely rotating bearing through friction. It allows a uniform and gentle grinding through friction, mixing or homogenisation of organic and inorganic samples, with no thermal load dry or in suspension.

The Planetary Ball Mill Pulverisette 5 allows fast and very fine grinding of hard to soft material, dry or in suspension, down to colloidal fineness. It can also be used for mixing and homogenising of emulsions and pastes. Grinding capacity of up to 8 samples per operation.

homogenizing pestles at thomas scientific

homogenizing pestles at thomas scientific

Bio Plas disposable polypropylene pestles may be used to homogenize cells or re-suspend precipitates such as protein or DNA pellets in buffer solutions. All the packaging options contain products free of detectable RNase, DNase, DNA and Pyrogens. These pestles and tubes are precision manufactured

a lightweight battery powered instrument that can be used with disposable pestles, mixers and micro tubes. Cell tissue and pellets are completely homogenized within seconds by means of a high speed vortexing action. The pestle features a grooved grip handle tailored to fit the microtube. The grooved

steel shaft is 0.25" (6.3 mm). Exterior plastic coated glass mortar provide greater safety Ideal for tissue homogenates Mortar made from Wheaton 33 low extractable borosilicate glass PTFE pestle with stainless steel shaft can be used with power homogenization Autoclavable

tube wall and the pestle. Use with the hand-held Homogenizer Motor for optimal processing efficiency particularly when handling large numbers of samples. Result: the best homogenization of precipitates or cells in the industry Key Features: Tubes and Pestles made of animal and

clearance "A" pestle for initial reduction of soft tissue. The diameter of the ground and polished end is .4305" .0005" for a nominal clearance of .0045" with the tube. Complete the homogenization with the small clearance "B" pestle. The diameter of the

the plastic coating creates a greater safety factor in case the mortar cracks or breaks during power homogenization. The transparent coating allows an unobstructed view of the homogenate during grinding. Wheaton Safe-Grind tissue grinders are fully autoclavable. Grinding chamber clearance

parts to allow easier cleaning or replacement of damaged mortars. They are designed for use in preparation of tissue homogenates, and other similar applications. The Teflon pestle is for soft tissue such as brain or liver. The stainless steel rod is 0.25 inch (6.3 mm) in diameter. The grinding

Clearance between pestles and tubes is 0.004 to 0.006 inches* Pestle can be motor driven (see Thomas number 3411E25 for Drive Unit) Duall tissue grinder with glass pestle and ground glass tube progressively grinds tissue samples into a fine, uniform homogenate. As the pestle is forced

Packed in a lightweight protective carrying case Glass-to-glass ground surface homogenizes connective tissue. Teflon units suitable for soft tissue. Dounce Tissue Grinder is supplied with two interchangeable pestles for large and small clearances. Packed in high-density polyethylene case with

Highly efficient, all glass, tapered tissue grinder combining two grinding surfaces on a single pestle and tube. The conical area is for initial grinding and the cylindrical area for final homogenization. Interchangeably ground to 0.1 - 0.15mm clearanc

preparation of tissue homogenates, etc. PTFE pestle for soft tissue Grinding chamber clearance is 0.1 - 0.15 mm Unit can be autoclaved These units are designed for use in preparation of tissue homogenates and other similar applications. The PTFE pestle is for soft tissue

tissue grinders (homogenizers) are used in preparing small samples for pathological and biochemical studies. The clearance between the ground tube and pestle is approximately 0.15mm. The parts are ground to a medium grind to insure adequate abrasive qualities, yet deliver a fine homogenous sample.

between pestles and tubes is .004 to .006 inches* Pestle can be motor driven (see Thomas number 3411E25 for Drive Unit) Available in working capacities of 0.5, 1, 3, 5, 8, 17 and 45 mL . Sizes 5 mL to 45 mL have radial serrations on the lower portion of the pestle to deliver the homogenate

These PYREX tissue grinders (homogenizers) are recommended for soft tissues found in the liver and brain. They are designed to handle both initial grinding and final homogenization in the same sequence of operations. Mortar is not ground and the pestle contact surface is Polytetrafluorethylene

This grinder has a serrated Teflon pestle that disperses homogenate into the mortar cylinder more efficiently. These units are precisely constructed with completely interchangeable parts, allowing for easier replacement of parts so you don't need to keep pieces matched during cleaning. Grinding

disposable 50 ml Lysing Matrix tubes ensure thorough homogenization of any sample type in seconds while avoiding cross contamination ocurring with traditional homogenization methods such as syringe shearing, sonication, or mortar and pestle grinding. BigPrep 2 x 50 mL Adapter is a large

type, glass tissue grinder is supplied with two glass pestles; one with a tight inner tolernace and one with a loose inner tolernace. The loose pestle can be used for initial reduction of the tissue sample and the tight pestle can be used to fine grind the tissue and complete the homogenation.

and pestle (Potter-Elvehjem style) tissue grinder provides superior temperature control and greater plunger forces without the danger of shattering glass. Less effort required to achieve complete homogenization because of the precise 0.1 mm clearance between the smooth walls of the pestle and tube.

of piston-type Teflon pestle with stainless steel shaft and replaceable grinding vessel of borosilicate glass Eliminates ground glass from homogenate; Teflon minimizes heat generated in use Completely autoclavable Precisely controlled grinding clearance Pestles and vessels interchangeable

for re-suspending pellets or disrupting soft tissue in micro tubes Ideal for tissue of animal, bacteria, yeast, plant samples, etc. Accessories: Two rechargeable batteries One charger Disposable pestles Stainless steel pestle, autoclatable (not included in base unit)

mortar and pestle. The conical surface allows initial size reduction followed by passage through the cylindrical section for the final homogenization step. Grinding efficiency is improved, and less time is required as compared to the Tenbroeck and Potter-Elvehjem designs. When the pestle is bottomed

of piston-type Teflon pestle with stainless steel shaft and replaceable grinding vessel of borosilicate glass Eliminates ground glass from homogenate; Teflon minimizes heat generated in use Completely autoclavable Precisely controlled grinding clearance Pestles and vessels interchangeable

continuous operation Wet or dry grinding Mortar grinders reduce inorganic and organic substances to analytical fineness. They can mix and homogenize powders, suspensions and pastes. Grinders are also useful for the uniform trituration of homeopathic and pharmaceutical products. The RM100

initial grinding and final homogenization in the same sequence of operations. The lower conical section is intended primarily for the initial grinding. To assist in this work the clearance between mortar and pestle can be adjusted at will by raising or lowering the pestle. The upper cylindrical

and RNA. It can be used with any homogenization technique, including high speed mechanical grinders, such as Polytron, and high-energy sonicators. For added convenience, Molecular Grinding Resin is also available with RNase-free disposable matching pestles and 1.5mL microfuge tubes (Cat.

disruption using other techniques. The Bio-Pulverizer consists of a hole machined in a stainless steel base into which fits a special piston, or pestle. In a typical procedure, up to 10 g of animal or plant tissue is hard-frozen in liquid nitrogen and placed in the pre-chilled BioPulverizer. The

These PYREX homogenizers are designed for use in hand grinding small samples for pathological or biochemical studies. The mortar tubes and pestles are ground to be interchangeable. Clearance between the two parts is approximately 0.15mm. The medium grind provides the required abrasive action to

tissue is placed in the mortar precooled to liq N2 temperature. Using the special hand-held pestle made of non-heat conducting plastic, the tissue is quickly reduced to a powder. Two different sized pestles are provided for a variety of applications. Features Ideal for extraction of proteins,

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