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When gold is worn for a long time, white spots appear on the surface, and even black spots and green spots may appear. Many people think that gold is corroded, but it is not like this.
In the metal activity sequence table, gold is the last one, and the chemical property is the least active, so it is the least likely to react with other substances and is not easy to corrode. As the saying goes, true gold is not afraid of fire, and that is the truth.
Therefore, when white spots, black spots, and green spots appear on the long surface of gold, this is normal. When a chemical element adheres to the surface of gold, a chemical oxidation reaction occurs, and elements that are relatively easy to adhere to are mercury, lead, and the like. "Accurately, it should be an oxidized film. They are only attached to the surface of gold. They do not corrode or invade the gold itself. It is also very convenient to remove."
In fact, it is the trace of the daily cosmetics that accidentally get the gold surface and is attached to the surface by the mercury in the cosmetics. It is only necessary to burn through high temperature so that the mercury evaporates at a high temperature, and the gold at the original position is restored. White rust spots disappeared naturally.
Gold pendant
The best way to cure the corrosion of gold is to eliminate all the possibility of corrosion. Do the following in your daily life and your gold will last forever.
1. Do not mix and contact with metals such as mercury (mercury), lead, tin, etc., to avoid discoloration;
2. Avoid contact with juices that may contain chemical reactants, such as mustard juice, cauliflower juice, and fish scales;
3, gold jewelry should not be stored together with sterling silver jewelry, so as not to collide and rub each other to make the surface of gold jewelry become silver;
4, gold jewelry has a polishing process, so it is brighter, but when worn for a long time due to sweat and other factors, gradually lose light, this is a normal phenomenon. In this case, the customer needs to return the jewelry to the jewelry store for cleaning;
5, to avoid putting K gold jewelry and other jewelry together, especially diamonds, due to different hardness will cause mutual friction and scratching, it should be stored separately in jewelry boxes.
So, after reading the above introduction, are you still in doubt about the corrosion of gold? In fact, as long as you usually pay attention to some, you can make your gold last forever!
If you have any questions about the corrosion of gold, you can log in to China Jewelry Merchants Network for detailed consultation.
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