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NEWSLETTERS >
Why Does Gold Jewelry Discolor?
Why Does Gold Jewelry Discolor?
Oct 11, 2010
Why Does Gold Jewelry Discolor?
After wearing for some time, many people found their gold jewelry begins to discolor or faded. Some people think it was caused by the insufficient purity of gold, so they went to the stores or consumers' association to make complaints, but they were told that insufficient purity of gold is not the reason make it discolored. There are other reasons for discoloration of gold jewelry. So, what reason is this after all?
The discoloration of gold jewelry is closely related to people's sweat. Ninety-nine percent of people's sweat is water; an additional ten percent is waste and harmful substances in human body. Such as, chlorides, lactic acid, urea, ammonia, etc. It will create a chemical reaction when these waste or harmful substances contact with the copper or silver of gold jewelry. It can go on to silver chloride and Copper sulfide, showing a dark chemical salt. The chemical salts often fall off from the gold jewelry and pollute the skin of wearer's, it will also leaves an apparent black smear on skin.
Cosmetics now have become one of the indispensable roles in people's lives. If you rub cosmetics on the skins where you will wear the gold jewelry, there could be no doubt to provide opportunities for cosmetics "meets" gold jewelry, one of them is afraid of chemicals, and another just contains many chemicals. You can imagine what will happen. Some cosmetics, it also contains some tiny granule which can constitute another type of dirt, and wear gold jewelry. Geographical factors such as environment can also make gold jewelry lose its luster.
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