After wearing gold jewelry for a while, we found discoloration or fading. Many people thought that this was the lack of color of gold jewelry. So the store negotiated or went to the Consumers Association to complain, but it was told that the jewel of gold jewelry was not the color of gold jewelry. Insufficient, but other reasons, then, what are the reasons? In the end, gold jewelry and anything will fade? 1. Gold jewelry and anything will fade 1. Do not touch with substances containing acid or alkali, otherwise the gold jewelry will be discolored and dim. 2, do not contact with oily daily necessities, mercury-containing cosmetics, daily necessities, otherwise the gold jewelry will be dim or white, resulting in "gold amalgam." 3, some cosmetics or hair dyes contain trace amounts of lead, gold hits lead easily black. 4. Do not touch or rub with metal substances such as platinum, palladium, silver, aluminum, tin, mercury (mercury), or the contact point will become white. 5. Some gold jewelry and gold bars that are purchased in jewelry stores will have yellow-brown spots? Because in the process of jewelry making, the iron scraps left by the iron processing tools are formed by moisture, not quality problems. can. 6. Some of the sweat is waste and harmful substances in the human body. When these materials come into contact with silver and copper in gold jewelry, they will produce a chemical reaction, which will produce silver chloride and copper sulfide, which will cause discoloration or fading of the jewelry. 7. After the silver and copper in the gold jewelry are in contact, silver chloride and copper sulfide will be produced, and a deep black chemical salt will be present. This chemical salt often falls from the gold jewelry, contaminating the wearer's skin, leaving a very noticeable black stain on the skin. 8, regional environmental factors may also make gold jewelry lose its bright color. For example, in a dry area, the air contains more original fine dust, which will form a kind of “human body sandpaper†when it is contaminated with the human body. It can rub the gold jewelry into extremely fine debris and appear partial black stains. It is worth mentioning that the talcum powder or moisturizer also contains similar particles, which will also eclipse the gold jewelry as mentioned above. Second, how to maintain gold jewelry 1. Avoid direct contact with highly volatile substances such as perfumes and hair gels, otherwise it will easily lead to fading of gold ornaments. 2, remove the gold ornaments when swimming, so as not to touch the sea water or pool water, the surface layer produces chemical changes. 3. The chemicals of the detergent will change the color of the gold, so you should remove the gold jewelry before cleaning. 4, gold is relatively soft, easy to deform, so do not pull necklaces and other accessories, so as not to deform. 5. When storing, wrap it in a velvet cloth and put it in the jewelry box to avoid mutual friction and damage. 6. After wearing, the gold ornaments often lose their luster due to stains and dust. At this time, just put the gold ornaments in a neutral detergent and soak them in warm water, then remove them and wipe them dry.
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