whats the main machines for processing alluvial gold?

whats the main machines for processing alluvial gold?

A lot of African, American and Australian customer asked us Do you have the blue bowl concentrator? I said Yes, we have. African customers always use wet pan mill matching blue bowl concentrator to separate the gold, American and Australian customers use ball mill with blue bowl concentrator or gold centrifugal concentrator to separate the gold. For alluvial gold, customers are using gold trammel, sluice box, gold centrifugal concentrator and gold shaking table to separate the gold out.

Lets introduce the advantages of our blue bowl concentrator: 1. Its small, easy to be moved 2. No need to install 3. Easy to operate and maintain 4. Saving water 5. High recovery rate with a lower cost 6. High efficiency, saving engine 7. Less wearing parts 8. Saving shipping cost. If you want to get a blue bowl concentrator to start a small gold processing plant, welcome to contact us for more informations.

china gold separate machine, gold separate machine manufacturers, suppliers, price

china gold separate machine, gold separate machine manufacturers, suppliers, price

China manufacturing industries are full of strong and consistent exporters. We are here to bring together China factories that supply manufacturing systems and machinery that are used by processing industries including but not limited to: mining machine, gold mining equipment, mineral machinery. Here we are going to show you some of the process equipments for sale that featured by our reliable suppliers and manufacturers, such as Gold Separate Machine. We will do everything we can just to keep every buyer updated with this highly competitive industry & factory and its latest trends. Whether you are for group or individual sourcing, we will provide you with the latest technology and the comprehensive data of Chinese suppliers like Gold Separate Machine factory list to enhance your sourcing performance in the business line of manufacturing & processing machinery.

parting: separate gold and silver by melting

parting: separate gold and silver by melting

Parting is the separation of silver from gold and a process during which the base metals are separated from both, but, as the presence of a high percentage of these base metals is injurious to the successful conduct of the processes which are chiefly in use, a preliminary refining by one of the methods already described is usually necessary. Only about 10 per cent, of base metals is permissible in the alloys when sulphuric acid is used, although a somewhat larger quantity does no harm if nitric acid is employed.

In this ancient and obsolete process, gold was freed from small quantities of silver, copper, &c., contained in it. The method was mentioned by Pliny and described by Geber, who wrote in Arabic, probably in the eighth or ninth century; it is possibly still in use in some parts of the East and of South America. It consists in heating granulations of argentiferous gold mixed with a cement, consisting of two parts of brick-dust, or some similar material, and one of common salt, in pots of porous earthenware. The temperature used is a cherry-red heat which isinsufficient to melt the granulations. After about thirty-six hours treatment, the greater part of the silver is converted into the state of chloride, and this, together with the cement, can be removed from association with the granulations by washing with water. The gold can in this way be raised to a fineness of about 850 or 900. The silver is recovered from the cement by amalgamation with mercury.

This process was also used to purify gold which contained only small quantities of silver. The alloy was repeatedly melted with sulphide of antimony, upon which the gold became alloyed with the antimony and sank to the bottom of the mass, while the silver was converted into sulphide and floated on the top, mixed with the excess of antimony sulphide added. The gold was subsequently refined by a blast of air directed upon it, the antimony being thus oxidised and volatilised. The method is now obsolete, but was in use at the Dresden Mint up to the year 1846, and gold of the fineness 993 was said to be produced in this way.

This method was formerly used for the purpose of concentrating the gold contained in auriferous silver in order to obtain a richer alloy. The granulated alloy was melted with sulphur and some of the silver was thus converted into a matte. The gold was then precipitated from the matte and collected in a smaller quantity of silver by fusion with pure silver, or with iron, or litharge. No attempt was made to obtain pure gold in this way, and the enrichedalloy of gold and silver was parted by nitric acid. The silver was recovered from the matte by fusion with iron. The method was in use in several refineries in Europe at the beginning of the last century. The employment of sulphur in refining at the United States Mints has been already noticed.

The first clear mention of the use of nitric acid for parting silver from gold is made by Albertus Magnus, who wrote in the thirteenth century, but the process does not appear to have been employed on a large scale until two centuries later in Venice. Here, according to an old tradition, some Germans were employed in separating gold from Spanish silver in the fifteenth and sixteenth centuries, the art being kept secret. These refiners were not inaptly named gold makers by those who were unacquainted with their methods. The process was fully described by Biringuccio in his treatise, published in 1540, and by Agricola in 1556. It was first used in the Paris Mint about the year 1514, and in London at least as early as 1594, but for a long period the operations were conducted in secret in both countries, and it is supposed that this method of refining was not fully practised in England until about the middle of the eighteenth century.

The pulverulent gold is sweetened by being washed thoroughly in perforated earthenware dishes with boiling distilled water, stirring being performed with a spatula of wood, platinum, or porcelain. The gold is thus freed from nitric acid and nitrate of silver, the operation being continued until the washings show no signs of turbidity on the addition of salt. The washings are added to the first silver solutions, serving to dilute them, the dilution, as has already been observed, being necessary to prevent crystallisation on cooling. The sweetened gold is generally pressed, dried, melted, and cast into bars, which are now made of a weight of either 200 or 400 ozs. The gold thus obtained is usually of a fineness of about 997 or 998, the remainder being chiefly silver, which would not pay for extraction although part of it could be separated with a further expenditure of time, fuel, and acid. The gold is pressed by a hydraulic ram, the pressure exerted being about 800 lbs. to the square inch. The cakes of metal are dried at a cherry-red heat, and then broken up for melting.

The solution of nitrate of silver is diluted with water, allowed to cool, and then treated with a strong solution of salt which is regulated so as not to be in large excess, continuous agitation being kept up by revolving wooden agitators driven by steam power, or by hand paddles. When all the silver has been precipitated as chloride, the whole is allowed to settle overnight, and, in the morning, the clear solution of nitrate of soda, containing most of the base metals originally present in the alloys, is drawn off and filtered. The precipitated chloride is washed several times by decantation and agitation, and finally sweetened in wooden filters by boiling water, which incidentally dissolves out the chloride of lead. The filters are usually lined with linen or some similar material.

At the Philadelphia Mint a combined process is used, nitric acid and sulphuric acid being employed in succession. The alloys are granulated and digested with concentrated nitric acid for six hours in the same manner as has already been described; the solution is then siphoned off, and the gold washed two or three times with distilled water, by decantation, subjected to a second boiling with strong nitric acid, and subsequently sweetened in lead-lined filters with boiling water. The gold is then introduced into cast-iron cylindrical kettles and boiled for five hours with strong sulphuric acid, the gold being stirred up with an iron rod every ten or fifteen minutes to prevent agglomeration, and the solution is then ladled out and treated as already described. For a charge of 190 lbs. of metal, 175 lbs. of nitric acid are used in the first boiling, and 50 lbs. in the second. Some nitre is added to the sulphuric acid.

The gold is washed thoroughly and sweetened in wooden filters, boiling distilled water being poured through it until the washings will no longer redden blue litmus paper. The silver is precipitated from these washings as chloride by the addition of salt. The gold is then pressed, dried, melted, and cast into bars, which are from 998 to 999 fine.

The process is much cheaper than the nitric acid process, costing 20 per cent, less for acids, and saving some fuel. The granulations contain 100 parts of gold in 333 of the alloy. After the boiling in nitric acid very little silver is left with the gold. The cost of refining is a little over one cent per ounce.

how to separate gold from sands? - jxsc machine

how to separate gold from sands? - jxsc machine

First, we need to know that the most chemical element in the earths crust is oxygen, which accounts for 48.6% of the total weight; followed by silicon, which accounts for 26.3%; the following are aluminum, iron, calcium, sodium, potassium, and magnesium. The above eight elements accounted for 98.04% of the total weight of the earths crust, and the remaining 80 elements accounted for 1.96%. The average content of Au (gold) elements in the earths crust is <0.01ppm (that is, <0.00001), and the content is very very small.

Because of the movement of the earths crust, the gold in the depths of the earth has been squeezed out (also from the volcano), which is why it is generally a gold mining area in the middle of the two plates or in the deep valleys of the mountains.

After coming out of the crust, a small amount of gold is enriched in the rock, but after the weathering and erosion, as well as the structure and other broken rocks, the gold-rich ore is shattered (need a very long time).

Since gold is a large specific gravity mineral with a specific gravity of 19.32 g/cm3, fine gold will deposit at the corner of the river (slow flow rate), forming the placer gold deposit where you looking for.

The actual formation of geological structures varies widely. River gold is generally in the sand layer and not in the rocks. In order to get the gold sand, it is often necessary to take about 20 meters deep (forget the human labor).

What you see in the above picture gold mining by hand is either the scene of original operation in African or the final screening operation after the done mechanical process. As for the specific mining and screening purification process, it is another point.

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how to extract gold from electronics : 11 steps (with pictures) - instructables

how to extract gold from electronics : 11 steps (with pictures) - instructables

In this Instructable, I will show you how to extract gold from computers using products most people have lying around in their homes. The way I extract the gold is relatively straight-forward and pretty easy, but the chemicals used are very dangerous and should not be performed without proper knowledge and equipment.

This process is not supposed to be lucrative. It is a great science project. So don't try to make money off of this process. You will end up losing money!!Also, please remember if you like this Instructable, please vote for me. I work very hard and spend a lot of time to make these Instructables. It would truly mean a lot. Thanks and Enjoy!

Although this method of gold extraction calls for household chemicals, that doesn't mean they are safe. Please be advised that you must handle these chemicals with care. Goggles, gloves, glass apparatus and a very well ventilated room with a fume hood (and a gas mask/respirator are needed as well) or an outside area is highly recommended.

After this experiment is over, I will show you how to properly dispose of the chemicals. You should know before starting this experiment, you must set up an appointment with a hazardous waste processing facility or H-MRF.

And last but not least, the chemicals:1) Toilet Bowl Cleaner (must contain hydrochloric acid). If you have lab grade hydrochloric acid, by all means use it. Can be found at Home Depot, most home improvement stores and plumbing supply stores. HAZARDOUS; do not ingest or get in eyes and mucous membranes.

In this step, you take the hydrogen peroxide and toilet bowl cleaner and mix equal parts of each with enough total solution to be able to fully submerge PCBs. After the solution has been made, drop the PCBs in and make sure they are fully submerged.

This solution is called an etching solution because the solution made above dissolves the nickel under the gold. as a result, the gold foils are detached from the nickel because it has been dissolved.

WARNING: This is the most hazardous part as tiny amounts of chlorine gas are released (depending on he concentrations of the chemicals used. I am using 3% hydrogen peroxide and the toilet bowl cleaner is 9.5% hydrochloric acid.). Make sure you are outside or in a very well ventilated area with the right safety equipment.

In this step, all you have to do is wait for the gold foils to come off the PCB. Once you see all the gold foils floating around, wait one more day to make sure all nickel is actually off the gold foils.

In this step, you will need a large soda bottle that will collect all etching solution (even if it is diluted with water, it still must go into the bottle for proper disposal). Then, you should remove the PCB and scrape off any gold still attached to the PCB (you should be wearing gloves if performing this step by hand) and fully submerge it into a cup of water.

Then, add some add some water to the existing solution full of gold (I recommend doubling the amount of solution with water. Also, if you need more capacity to hold the solution, a big plastic cup should do.).

After you thin out the solution and the gold foils have settled to the bottom, pour out a little of the solution (while keeping the gold at the bottom) into a your large soda bottle. Add some more water and repeat many times until the solution is thin enough to go through a coffee filter.

In this step, pour your solution containing the gold into the coffee slowly (make sure your coffee filter is over a cup). Be careful not to rip the filter or you will have to start the filtration process over again.

After filtering out all the gold, pour out the excess water into your hazardous waste bottle that will be disposed of properly, and continue to run regular water through the filter to clean the gold.

Then, wait for the gold foils to settle to the bottom and get as much water out. After that, you could wait for the water to evaporate out and you are left with just gold. However, the gold foils tend to stick to the cup, so I keep mine in a glass vial with some water.

In this step, package your etching solution in a bottle with a very tight cap (if using chemical concentrations higher than what I've used, package in glass bottle. Otherwise, plastic is fine.). Label the bottle and make sure it clearly says HAZARDOUS, DO NOT DRINK OR OPEN in huge letters all over the bottle. Tape the cap with masking tape so people, if they get ahold of it, don't open it. Also, keep away from anyone else, especially young children, or any other bottles of the same kind.

Also, take PCBs and put them in a plastic bag and put into trash. These are fine to put in the trash if you have followed previous step of soaking them in a cup of water. If not, please soak in water before disposing.

After properly packaging, take to your nearest hazardous waste processing facility or H-MRF. These facilities are only by appointment and sometimes, depending on where you live, charge a fee (around $5 in most places that are government run. I don't know what the fee is for privately run facilities.).

I have scrap gold chains, gold ring, many old cell phones, including sim cards, some computer motherboards I like to process to extract the gold & silver. But I dont have the space, means or time to do this myself.Question: is there any place who will extract it and melt gold/ silver extracted into bars for a few. Would it b worth time.Thanks

Hello Mr Khan I am from india and I am looking for someone who know about gold recycling,I am ready to pay good amount of salary. If you are interested please message me on what's app my number is 7two0double8one8four1nine please use the indian country code

I tried this but reaction was not like picture I now have gold connected to copper.it seems that the gold was attached to copper over nickle which dissolved there is also a bunch of plain copper at bottom I cannot filter it with coffee filter

I may be a little novice understanding this issue, but how about slow heating the electronics over a furnace slowly removing the metals as they liquefy? I realized that is probably cost prohibitive but Not that far fetched I would image?Edit: limiting oxygen intake to keep the parts from blazing? I was just wondering.

hi and nice post of the electronic gold ;) im bin doing for some time and have alot, what use are hydrogen peroxide and hydrochloric acid,50%-50% great mix ;) but wonder how pure are the gold fingers after that, do you know that, i have plan to grind all to powrder them pan it " im an gold digger as well" then put it in acid bath regards johnny from sweden

I wonder if making crude Nitric acid with 31 percent Hydrochloric acid and Sodium Nitrate to dissolve more gold would work? It would be quite expensive 60 dollars for 100 g Sodium Nitrate on Ebay. Also, HCl + H202 did dissolve gold I plated with it! You can clearly see the gold.

he's not dissolving the gold, he's dissolving the nickel from underneath the gold, nickel which IS dissolved by Hydrochloric or Hydriodic acid. The gold plate is left free of the substrate. Not a viable money-making process at this volume unless you manage to find your chemicals for free-otherwise financially you'd be better off picking grains of gold out of sand at the beach. Still entertaining and educational though!

I am doubtful that the hydrochloric acid content of a toilet cleaner, even boosted with hydrogen peroxide is strong enough to dissolve much nickel, I believe just the copper has dissolved. I would love to check this but I have never seen Lysol for sale here in Oz.

vibrating a bucket of gold and dirt to separate it - binq mining

vibrating a bucket of gold and dirt to separate it - binq mining

Getting up to 90% of your Sulfide Gold out of the Black Sand Concentrates classifier two gold pans water wash tub. few 5 gallon buckets micro sluice cons through -20, -50, -100, and -230 classifiers and process the lots separately.

Most equipment used to separate gold from other materials is based on this simple to fill a 5-gallon bucket (or two) with material and carry it to your panning spot. This is the time to work apart all the clay, dirt, roots, moss and other such the pan that it is the lighter-colored materials that are vibrating on the surface.

Find some sand or soil from an area known for Gold. of metal buckets scooped up river gravel and dumped it in a long sluice recovery system. . Shaker Table An engine driven vibrating table used to separate gold from blacksand and

Puddling involved washing the clay and soil, taken from stream beds and banks, Wooden cradles were also used to separate out stones and larger gold nuggets, deposits were mined using buckets, windlasses and whims to bring the gold VIBRATE WASH CONCENTRATE SEPARATE EXTRACT & AMALGAMATE

Dry-washing of gold-bearing soil or gravel provides an effective solution to this dilemma. . club and friends, the Pot Holes would be a better-than-average place to start. .. Some motorized dry concentrators also use a high-frequency vibrating The main thing to remember is that the machine needs to separate the gold

This will allow me to work my way down to the pay-dirt without having to suck up .. the square of miners moss and the contents of the mini sluice into a bucket. vibrating action, with a very mild flow of water, to separate material by weight.

23 Nov 2011 Gold Prospecting | The New 49ers | Prospecting Supplies Stories like that are rare and pay-dirt like that is not run across very often. . the pan that it is the lighter-colored materials that are vibrating on the surface. Then the remaining concentrates are poured into a small coffee can or bucket and

It is a mechanical method used to separate gold from dry dirt or gravel. material is fed onto the grizzly screen, usually with the aid of a shovel or bucket. is a weight that throws the fan off balance when spinning, and vibrates the entire box.

Clean out the dirt from these places and carefully scrape it into your gold pan. . To operate the Mini-Gold Concentrator, first fill the bucket full of water and then shovel the . Again, use either a gold pan or a gold-wheel to separate the gravel,

Alluvial (or bench) deposits contain untapped potential for finding gold . The vibration of the bucket causes the gold to settle to the bottom, the junk goes into a still use sluice boxes to separate the dirt and junk material away from the gold.

Simple new techniques for sluice boxes from seasoned gold prospectors. This is one way to gravity separate gold from sand and gravel mix. been "turned over" by previous miners who had large sluice operations (steam bucket dredges ).

15 Apr 2011 http:/// This is the EARTHQUAKE Vibrating Gold Classifier. This classifier will process a 5 gal bucket of wet or dry material in 3-5 minutes. . At best for now all I can do is buy some pay dirt. We will separate or tailings by size and ALWAYS run the metal detector over them to find the

is essentially a device used to separate particles of gold from dry dirt, sand or gravel. Their ability to sort gold from soil without the use of water may seem trivial in bellows to deliver puffs of air which vibrate the gold-bearing material across the pick, 5-gallon bucket(s), gloves, dust mask, basic hand tools, gold pan,

20 Feb 2010 Gold prospecting club in Tucson, Arizona. Descriptions Bucket(s) (usually 5 gallon) for transporting the dirt (also makes a good stool). . Most dry washers also have a vibrating action to help the gold to settle. It consists of two separate parts, a top screening pan and a concentrate pan, that fit together.

Alluvial (or bench) deposits contain untapped potential for finding gold water and gravel through the use of water pressure, the bucket line dredges would scoop it The vibration of the bucket causes the gold to settle to the bottom, the junk still use sluice boxes to separate the dirt and junk material away from the gold.

There were three main methods of gold mining at Eldorado It had 118 closely connected buckets on a The dirt was carried up and tipped into a small holes to separate the larger stones from vibrating jigs to get the heavier material to

Dump the classified material into a five gallon bucket. . A dry-washer does not separate wet dirt well and the gold can often flows right out into the tailings. .. ground shakes and vibrates, and the river rumbles like a huge loaded freight train .

Using screens or other methods to separate material in smaller and smaller categories in order to aid in the retrieval of gold. The thought moss and releasing the dirt and sand, you can find a lot of flour gold vibrates and uses the fluid characteristics of air to trap heavy Use a hose, or set up some buckets, to get a trickle

For instance, a bucket, coffee can, wash tub, tweezers, magnet, small Rather than using water to separate the gold from sand and other materials, Mounted on the fan is a weight that creates off-balance vibration to further help separate the gold Electronic probes are designed to register gold in Our crusher alluvial soil like

Cross the veil of time and discover the secrets of a canyon riddled with gold and to the "concentrators" where vibrating machines separated gold bearing ore from . the stamp mills in the canyon to wash and separate gold ore from dirt and debris. . On any given day, the meat in the stew pot could range from snowshoe

extracting gold | howstuffworks

extracting gold | howstuffworks

Removing the gold-bearing rock from the ground is just the first step. To isolate pure gold, mining companies use a complex extraction process. The first step in this process is breaking down large chunks of rock into smaller pieces. At a mill, large machines known as crushers reduce the ore to pieces no larger than road gravel. The gravel-like material then enters rotating drums filled with steel balls. In these drums, the ore is ground to a fine slurry or powder.

Next, mill operators thicken the slurry with water to form pulp and run the pulp through a series of leaching tanks. Leaching dissolves the gold out of the ore using a chemical solvent. The most common solvent is cyanide, which must be combined with oxygen in a process known as carbon-in-pulp. As the cyanide and oxygen react chemically, gold in the pulp dissolves. When workers introduce small carbon grains to the tank, the gold adheres to the carbon. Filtering the pulp through screens separates the gold-bearing carbon.

The carbon moves to a stripping vessel where a hot caustic solution separates the gold from the carbon. Another set of screens filters out the carbon grains, which can be recycled for future processing. Finally, the gold-bearing solution is ready for electrowinning, which recovers the gold from the leaching chemicals. In electrowinning, operators pour the gold-bearing solution into a special container known as a cell. Positive and negative terminals in the cell deliver a strong electric current to the solution. This causes gold to collect on the negative terminals.

Smelting, which results in nearly pure gold, involves melting the negative terminals in a furnace at about 2,100 degrees F (1,149 degrees C). When workers add a chemical mixture known as flux to the molten material, the gold separates from the metal used to make the terminals. Workers pour off the flux and then the gold. Molds are used to transform the liquid gold into solid bars called dor bars. These low-purity bars are then sent to refineries all over the world for further processing.

Major gold-producing countries include South Africa, the United States, Australia, Mexico, Peru, Canada, China, India and Russia. South Africa is the leading gold-producing country, followed by the United States and Australia. In the United States, Nevada is the leading gold producer.

china gold mining equipment manufacturer, zircon ore processing machine, gold washing trommel supplier - ganzhou gelin mining machinery co., ltd

china gold mining equipment manufacturer, zircon ore processing machine, gold washing trommel supplier - ganzhou gelin mining machinery co., ltd

Gold Mining Equipment, Gold Washing Trommel, Centrifugal Gold Concentrator manufacturer / supplier in China, offering Ilmenite Copper Ore Leaching Flotation Machine for Mineral Extraction, Cil Plant Rock Gold Leaching Plant with Flotation Machine, Mining Machine Flotation Cell for Gold Copper Ore Extraction and so on.

Ganzhou Gelin Mining Machinery Company Limited is an expert manufacturing mining machines in China. Our company is located in the Industrial Zone of Shicheng County, Jiangxi Province. Our distinctive products include Shaking table, Jig, Spiral separator, Gold concentrator, Ball mill, Jaw crusher, flotation, magnetic separator, Feeder, Classifier, ore washing machine and lab equipment etc. Our machines are popular in separating gold, copper, manganese, chrome, tungsten, tin, nickel, iron, titanium, lead, ...

ellisimo gold 2 - 102 machine - baby lock products

ellisimo gold 2 - 102 machine - baby lock products

Previous model - Take a creative journey into luxury with the Baby Lock Ellisimo Gold II embroidery and sewing machine. This is the Baby Lock machine with the most features powered by Baby Lock IQ Technology. That means you get quick auto-adjustments for hassle-free embroidery. Enjoy easy on-screen editing and hundreds of built-in designs. It's easy to customize home dcor, childrens clothes, and more with your favorite embroidery. The Ellisimo Gold II is great for sewing projects, too. Built-in stitches and the Multi-Function Foot Control make it easy to sew garments, quilts and more. For every project, the Ellisimo Gold II will take your inspiration to reality.

This large screen measures 8.5" diagonally and can display over 16 million colors. The results are clear, vivid images. Plus, large touch screen buttons help with quickly editing stitches and designs and accessing the machine settings.

This large screen measures 8.5" diagonally and can display over 16 million colors. The results are clear, vivid images. Plus, large touch screen buttons help with quickly editing stitches and designs and accessing the machine settings.

It's easier to position designs and choose thread colors when viewing your actual project on screen. The NeedleCam digital camera scans your fabric so you can clearly see every detail of your designs and position them exactly where you want.

It's easier to position designs and choose thread colors when viewing your actual project on screen. The NeedleCam digital camera scans your fabric so you can clearly see every detail of your designs and position them exactly where you want.

The Color Visualizer enhances your creativity by displaying your design in an endless array of color combinations. Choose from four categories: Radom, Vivid, Gradient and Soft. Then, watch as your designs change on the vivid TruView ASV LCD Screen.

The Color Visualizer enhances your creativity by displaying your design in an endless array of color combinations. Choose from four categories: Radom, Vivid, Gradient and Soft. Then, watch as your designs change on the vivid TruView ASV LCD Screen.

Sometimes its the tiniest details that really pull a project together, and other times you need a super-sized image for a large task. With the Ellisimio Gold, you can reduce your images down to 60% or increase them up to 200%.

Sometimes its the tiniest details that really pull a project together, and other times you need a super-sized image for a large task. With the Ellisimio Gold, you can reduce your images down to 60% or increase them up to 200%.

With OnScreen Designer, you can take personalization to a whole new level. Now you can produce your own embroidery designs with the SketchPad Digital Tablet. The Ellisimo Gold instantly digitizes hand-drawn designs with this revolutionary feature. Drawn and traced designs can be filled or left as an outline; either way, embroidering a completely original design has never been easier.

With OnScreen Designer, you can take personalization to a whole new level. Now you can produce your own embroidery designs with the SketchPad Digital Tablet. The Ellisimo Gold instantly digitizes hand-drawn designs with this revolutionary feature. Drawn and traced designs can be filled or left as an outline; either way, embroidering a completely original design has never been easier.

Stay in the hoop while thinking outside the box. This machine comes with four embroidery hoops to help you complete projects of any size: 8" x 12" (200mm x 300mm) 8" x 8" (200mm x 200mm) 4" x 4" (100mm x 100mm) 1" x 2-1/2" (20mm x 60mm)

Gives your feet the ability to perform two separate functions so that you can keep your hands on your project. Start and stop your sewing with the main pedal, and program two additional functions for the heel tap feature and side pedal. Choose from single stitch, position needle up/down, thread cutting or reverse stitch.

Gives your feet the ability to perform two separate functions so that you can keep your hands on your project. Start and stop your sewing with the main pedal, and program two additional functions for the heel tap feature and side pedal. Choose from single stitch, position needle up/down, thread cutting or reverse stitch.

V. 4.04 Update Ellisimo Gold 2 (BLSOG2) Important: When the machine is turned on for the first time after updating this software, the machine needs more time to display the opening movie or home page screen than usual. Don't turn off the machine until the machine starts completely. Added: 02/24/2016 Download

Important: When the machine is turned on for the first time after updating this software, the machine needs more time to display the opening movie or home page screen than usual. Don't turn off the machine until the machine starts completely.

how to separate precious metal

how to separate precious metal

A wide variety of different types of electronics and other household objects contain at least one type of precious metal. In many cases, the trace amounts of these metals are fused together inside of the object. In order to recover those metals once the object has worn out or broken, you'll need to properly know how to separate the metal. Adsorption, a process of separating out metal solids from liquid solutions, is common, as is smelting, a process that removes different types of metals from one another. Read on for a brief guide on separating out the most common type of precious metal at home.

Ensure that you know exactly how to safely operate your tilting furnace. Be sure to also wear any protective equipment that is necessary prior to using the furnace. When you're ready, insert the circuit into the furnace and begin to heat the furnace. Monitor the temperature inside the furnace closely, and allow it to continue to heat up until the temperature inside of the furnace is approximately 1200 degrees C (or about 2192 degrees F).

The "slag" is the liquid metal mixture that will be the result of the temperature being raised to the high level that it is. To create the slag, you'll need to mix in the silica and the sodium borate chemicals into the furnace and on top of the gold-plated circuit. Do this according to the usage instructions of your particular furnace and ensure that you remain safe at all times. The silica and sodium borate are collectively known as "fluxes" in this procedure.

The slag will not develop instantly. Rather, it will take about an hour and a half for the metals to dissolve. If the metals have not dissolved completely during this time, raise the temperature of the furnace to about 1400 degrees C (or about 2552 degrees F).

Continue to heat the slag until you can observe the molten gold begin to dissolve away from the rest of the slag. This occurs because of the melting point and the density of the gold as compared with the different melting points and densities of the other metal components of the slag. The gold should slip down into the smelting vessel.

After this occurs, you can cool and remove the gold from the smelting vessel and also remove the slag as well. It's common at this point to refine the gold through a separate refinement process to ensure a high level of purity. For more information on refinement procedures of this type, consult with a blacksmith or an experienced smelter in your area.

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