Causes of gold fading

Many people noticed discoloration or fading after wearing gold jewelry for a period of time. Many people believed that this was due to insufficient color of the gold jewelry. They went to the store to negotiate or complain, but they were told that there was no problem with the quality of the product. So, what is the reason for the accidental discoloration or fading of gold jewelry? Many people find discoloration or fading after wearing gold jewelry for a period of time. Many people think that this is due to insufficient color of gold jewelry. But I was told that there was no problem with the product quality. So, what causes the accidental discoloration or fading of gold jewelry? Wang Naizhu, secretary general of Fujian Jewelry Association, told reporters that the discoloration or fading of gold jewelry is closely related to human sweat. 99% of human sweat is water, and about 1% is waste and harmful substances in the human body, such as chlorinated substances, lactic acid, urea and ammonia. When these substances come into contact with silver and copper in gold jewelry, they will react chemically to produce silver chloride and copper sulfide, and present dark black chemical salts. These chemical salts often fall from gold jewelry, pollute the wearer's skin, and leave very obvious black stains on the skin. The skin on the part where the jewelry is worn will give cosmetics containing chemical substances and gold jewelry that are most afraid of chemical substances to 'gather togetherSome cosmetics also contain some fine hard particles, which can form another type of dirt, thereby wearing gold jewelry. Gold maintenance tips Gold jewelry is not very squeamish, but if it is not carefully maintained, it will lose its original luster and charm. Generally speaking, the following points should be taken care of: 1. Cleaner chemicals will change the color of gold, so gold jewelry should be taken off before cleaning. 2. Avoid direct contact with highly volatile substances such as perfume and hair spray, otherwise it will easily cause the gold jewelry to fade. 3. Remove the gold ornaments when swimming to avoid chemical changes on the surface after touching the sea or pool water. 4. Wrap it with flannel and put it in the jewelry box when storing it to avoid friction and damage. 5. Gold is relatively soft and easily deformed, so don't pull jewelry such as necklaces to avoid deformation. 6. Pure gold jewelry will have a chemical reaction when it encounters mercury, and white spots will appear. When cleaning it, it will be restored to its original color as long as it is grilled under an alcohol lamp for a while. 7. After wearing, the gold jewelry often loses its luster due to stains and dust. At this time, just put the gold jewelry in a neutral detergent, soak and clean it in warm water, and then take it out and wipe it dry. Previous post: Pursuing gorgeous gold jewelry Next post: How to buy pure gold jewelry