Before buy gold, people like to test the glittering pieces and each has their own way to verify the authenticity of this precious metal. Commonly, gold is bought in the form of jewelry, coins or biscuits, and is measured in carats. You can find the 10K to 24K gold, That is considered as the purest form of this metal. Gold testing means examining the density of this metals in the solid mass and there are many ways to determine the carat of this metal in jewelry, bar, or coin.
The home gold testing kits that are available in the market offers the most convenient method of testing gold. The kit contains a rectangular stone and a few bottles of colored liquid. You will also get instructions on how to test gold using this kit. You would have seen the jewelers using a black stones. Take a piece of gold that you want to test. Rub it over the stone so that it leaves a mark. But do not press it hard because it can break. After scratching the marks on the stone, pour a few drops of liquid onto the stretch marks and see the reaction. This is the most reliable and widely used test method for this metals. The jeweler use it and now you can learn how to test it with the aid of the kits, too.
Modern tri-electronis gold testing has equipments have an in-built microprocessor that determines the level of purity of an item that made of this metal. This digital metal testing machines squeeze a drop of gel from probe on the jewelry being tested and display the result in the form of carat and percentage of gold. The machines are available at an affordable price and comes with a guarantee by the manufacturer to ensure the effective and reliable results forever. Professional and amateur can perform gold check using this machine. To avoid any hassle, do not forget to read the instructions on how to test this precious metal.
In the coming years we can expect the devices that can work like an X-ray machine and test the gold by sending some rays across the piece in questions. These days people are more concerned about how to test gold for its authenticity rather than knowing the exact carat value. But when it comes to sell gold, then carat value of the gold for sale become important. In international markets, gold is valued in carat hence high carat gold attracts the maximum price.
The next time you buy gold jewelry, note how many carat of gold it has.