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To the untrained eye, it can be difficult to tell pure solid gold from fake gold, gold mixed with other metal, or cheaper metal plated with a thin layer of gold. Depending on the quality of the piece, the test can take just a few seconds using common household items, or may require additional materials to get definitive results. Test jewelry you're unsure of before getting costly appraisals, or just to confirm that the gold is pure.

1.Hold a magnet near the piece to test the attraction. If the object sticks to the magnet, it is not pure gold, but gold plate or another metal mixed with gold. However, if it doesn't stick to the magnet, it doesn't necessarily mean that it's real; more testing is required.

2.Rub the gold against a piece of glass (use a piece that isn't valuable, such as a glass plate from an unused picture frame). If it scratches the glass, it is not pure gold, since gold is a soft metal. If it doesn't leave a scratch, it still may not be pure gold.
3.Scrape the gold against a piece of unglazed porcelain tile and look at the mark it makes. If the mark appears gray or black, it is not pure gold. If the mark is yellow, it's gold. Keep in mind that it's still possible that the item is gold plated and may not be solid gold.

4.File a small section of the gold in an inconspicuous place using a fine metal file. Pure gold, as a soft metal, will file relatively easily. If filing causes the gold to flake off, of if the metal is very hard to file, it is not pure gold.

5.Conduct an acid test. Put on gloves and safety glasses to begin the acid test, which can be done with a kit or by purchasing hydrochloric acid at a hardware store. Break the tip off a cotton swab and dip it into the acid. Drip a very small amount of acid on the area of the gold that has been filed in an inconspicuous place. If the gold starts to break down, it's not pure gold. Pure gold will not be damaged by the acid.

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No matter the status of the economy, precious metals are often in high demand. Gold, specifically, is a valuable resource. Whenever a commodity is in demand, though, there will always be someone out to make a profit by counterfeiting it, often by alloying it with less precious metals. While fake gold, particularly in coins, can be troublesome to ferret out, there are some relatively simple ways to check that gold is real.

1.Test the gold coin with a magnet. If the gold coin is in fact a base metal coated in gold, the magnet will attract the base metal. This won't happen with genuine gold.

2.Rub the coin with a jeweler's cloth. If the coin is plated, then a few harsh rubs will peel back the gold coating but won't harm genuine gold.

Gold plating is often used to make a less expensive chain, one made out of a baser metal, look more expensive. However, the problem is that these chains can develop a magnetic charge. What you need to do when this happens is scramble the atoms again so they aren't aligning, which will break the magnetic effect. This will take heat and impact, if you want to demagnetize the chain.

1.Drop the gold chain on the floor. If your chain has developed a temporary magnetic charge, a good drop will rattle the atoms and remove the charge in many cases.

2.Lightly strike the chain with a hammer. If the force of a drop isn't enough to dispel the magnetic charge, then strike the chain lightly beginning at one end and working your way down to the other. The impacts should be hard enough to effect the magnetic field, but not hard enough to deform the gold-plated chain.

3.Heat the chain in an oven. Heat can dissipate a magnetic charge, especially a light or incidental one. Put the chain on a cooking tray, and then put it in the oven at different temperatures. Somewhere between 300 degrees Fahrenheit and 500 degrees Fahrenheit should be enough, but start at the lowest and work up in 100 degree increments. Leave the chain in for several minutes, but not much longer.

Gold plated Tungsten Product Manufacturer & Supplier: Chinatungsten Online - http://paper-weight.cn/
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

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