925 sterling silver actually refers to silver products containing 92.5% of silver. 925 represents the purity of silver. This is the highest purity of silverware, just like the purity of 999 gold. Because the foot silver is too soft and easy to oxidize, since Tiffany started 925 silver, 925 silver has been internationally recognized as sterling silver.
Silver is an active metal that reacts easily with sulfur in the air to blacken the silver. Therefore, wear as little as possible in contact with air, and should not be worn in places where chemical gas is concentrated. After exposure to sulphur soap, it must be dried immediately. Chloride in sweat also has an effect on silver.
Silver and gold can not be worn together, which will cause silver to turn yellow. Of course, even if it is not loaded at the same time, the silverware will oxidize and discolor, whether it is electroplated or not.
Therefore, friends who love silver jewelry must learn how to maintain sterling silver, extend the light time, and learn to let the oxidative discoloration of silver products restore light. The primary color, polished surface, the easiest. Wipe it with a silver cloth. If there is no gap on the polished surface, it can be washed with silver washing water. If the surface is plated, wipe it with a soft cloth and avoid contact with chemical substances (such as bath liquid, soap, chemical reagents, perfume, etc.). Because the plating layer is very thin, the wiping of the rough cloth and the damage of chemical substances will affect The surface is bright.
Regardless of the material of the jewelry, it is best to take it off in a dry place when taking a bath or sleeping. Sterling silver is a metal that is extremely discolored, and of course it should be.
The original sterling silver guarantees that it will not be allergic, but it is not guaranteed if it is plated with platinum or other precious metals.
Tibetan silver, according to historical definition, is an alloy containing about 30 or more silver, but now the silver in the market contains almost no silver. It is just a craft of white copper alloy. Thai silver, conceptually 925 sterling silver, is a special name for a special craft, and some people steal the concept to refer to the name of some antique alloys, which is very irresponsible.
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