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Why Does The Gold Plated Necklace Become Black? How To Clean The Gold Plated Necklace?
The gold plated necklace, as the name implies, is a layer of gold plated, which looks more like gold. But when it contacts with the air, it is easy to oxidize. How can the gold plated necklace be darken and washed?
The gold plated necklace is black because of oxidation. Toothpaste removes the oxide on the surface of the gold plated necklace. First, it is washed with toothpaste and then washed with water. Toothpaste is rich in tiny Calcium Carbonate Granules. These particles can rub off the oxide on the surface. Find a toothbrush, touch a bit of toothpaste and brush it with patience, then rinse it with water. It should be noted that after cleaning with toothpaste, it must be washed with clean water. It is best to use pure water to wash. Do not use the chlorine gas to disinfect the tap water.
2, send to the electroplating factory to clean.
If they are not clean, they can also be sent to the electroplating factory for cleaning. The electroplating factory uses water wave polishing machine to polish the surface of the product, remove oxidation, and then pickle it, so the treated products can be placed in the electroplating bath for electroplating, and the electroplated products are golden as before. Wipe the plating layer with other wipe cloth. It will erase the plating layer. It will also remove the gold from the surface and remove the gold on the surface. The gold plated necklace is black because gold plating has been oxidized and gold plating is divided into two categories. One is gold plated with homogeneous material and the other is gold plated with heterogeneous materials.
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