1, coke
Silver is unstable in nature and easily reacts with sulfur dioxide in the air or sodium chloride in human sweat, so that black compounds are attached to its surface and look black. When the silver necklace turns black, you can soak it in cola, so that the carbonic acid in cola can dissolve the black compound and make it bright.
2. White vinegar
When the silver necklace turns black, it can also be soaked in white vinegar, so that the acetic acid contained in the white vinegar reacts with the black compound, making the silver necklace as bright as new. After soaking, you can rinse the silver necklace with clear water to remove the sour taste on the surface of the silver necklace.
3. Toothpaste
When the silver necklace turns black, it can also be wiped with toothpaste. Squeezing toothpaste without particles on the surface of the silver necklace and then brushing it with a soft toothbrush can also make the silver necklace bright again.
Maintenance method of silver chain:
1, to prevent wear and tear
Most silver chains are plated with rhodium or palladium, but after we use them for a long time, the wear of the coating becomes more and more serious, and silver will be exposed to air for oxidation. Therefore, it is best not to wear them when we are working or exercising, so as to reduce the coating wear on the silver surface.
2, often clean
Silver jewelry comes into contact with human skin when worn, and human sweat contains sulfur, so the contact between sweat and silver chain will accelerate its oxidation, so it is best to clean it often, especially after strenuous exercise in summer.
3, isolated from the air
It is best to keep the silver chain away from the air. You can coat a layer of nail polish or vaseline on the surface of silver jewelry and store it in a cool place. At the same time, you need to be careful not to let the silver chain come into contact with acid, alkali or cosmetics, which will cause corrosion to the silver bracelet.
4. You need to collect it when you are not using it.
Usually, bracelets should be collected after wearing. If it is not collected and maintained, it will easily lead to the blackening of the silver chain. At this time, we need to clean the gap with a jewelry brush, then drop a drop of silver emulsion on it to remove the black oxide on the surface, and then dry it with a silver cloth to restore the original luster of the silver bracelet.