Real Gold Vs Fake Gold
A hallmark is a mark that a piece or object of gold jewelry has had tested for purity. The country may have different markings. In the United States, a hallmark will state the karat (purity) rating, while in Europe, it will be listed as a decimal percentage. Even if a chain of real gold is not marked with a hallmark, it might still be true gold. If you are not sure, you could test the item by placing it on a unglazed ceramic sheet. This will show the gold identification marks, which are usually tiny and difficult to see. Another method to verify the gold content of an item is an acid test. This test may be more reliable than other methods.
The weight of a piece of nhẫn bạch kim clista gold-filled jewellery is generally one-fifth of the total weight. However, the quality of the gold layer may vary. A quality label on a gold-filled piece of chain will indicate how much gold it contains. For example, nhẫn nam a 1/10 14K Gold chain is likely to be made of 14K.
Jewelers will also use an acid test to determine whether a gold item is real. The process is known as a metal assay. During this process, the jeweler will scratch the piece of jewelry using a testing stone. The jeweler will then apply a small amount of acid to the gold mark. They will start at the lowest karat then work their way up. Fake gold may be identified if the mark does not change in color or dissolve under acid.
A gold supplier can supply all types of jewelry made from gold. They can answer any
