The gold ring I bought a year and a half ago has not been worn. I took it out today and found that it turned red. It looks like a rusty piece. What is going on?
5 thoughts on “What's wrong with gold turning red?”
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According to the national standard precious metals, the content of foot gold jewelry is above 990%, the content of thousands of gold jewelry is more than 999%, and its gold content is not 100%. This shows that although their content is very high, it may contain other impurities. Gold jewelry is prevented for a long time in a sulfur environment, and red spots may be available on the surface. In addition, when gold jewelry is in contact with acid, there may also be red spots. This is due to the result of the oxidation layer on the surface of the jewelry on the surface of the jewelry.
Congratulations, you won the lottery. You should buy not gold, but the alloy of brass and zinc. Where to buy it, go to the seller quickly. I hope my answer can help you.
Pay content for time limit to check for freenAnswer 1. Gold jewelry is prevented for a long time in a sulfur -containing environment, and there may be red spots on the surface. In addition, when gold jewelry is in contact with acid, there may also be red spots. This is due to the result of the oxidation layer on the surface of the jewelry on the surface of the jewelry. 2. The discoloration or fading of gold jewelry is closely related to human sweat. 99%of human sweats are water, and about 1%are waste and harmful substances in the human body, such as chlorine substitutes, lactic acid, urea ammonia, etc. According to the national standard precious metals, the content of foot gold jewelry is above 990%, the content of thousands of gold jewelry is more than 999%, and its gold content is not 100%. This shows that although their content is very high, it may contain other impurities.nGold prevent color change 1. Avoid contact with perfume, cosmetics, shampoo. 2. Try to remove the gold jewelry as much as possible. 3. Try not to wear gold jewelry as much as possible. 4. Try not to wear chemistry experiments. There are many items in life that are mercury, such as thermometer, pressure gauge, blood pressure meter, cosmetics, drugs, bactericides, shower gels, perfumes, gums, disposable dry batteries, moisture -proof agents, etc. They all contain traces Mercury.
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n00:00 / 00: 3770% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% →: Single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description