The most basic knowledge of jewelry: 925 silver

May 14 [Tue], 2013, 11:38
For jewelry, we are very concerned about its fineness, such as "999" represents 24K gold; "750" on behalf of the 18K alloy. Silver jewelry is also such a digital measurement standard. 1851 Tiffany launched the first set of silver content the thousandths of 925 Tiffany Charms, 925 silver became popular, so 925 silver jewelry in the market as the standard of identification.

Measurement of fineness of silver jewelry generally have the following:
"99" stands for silver, although theoretically 100% is sterling silver, but the actual difficult to get 100% purity. 99 silver color is pale and very soft jewelry do with it easily deformed, not precious stone. "98" represents the fine silver with a silver content of 98% copper, 2%, 980S Note jewelry. 925 silver, silver content of 92.5% copper, 7.5%, labeled as 925 in jewelry, our common silver jewelry mostly made with 925 silver. 925 silver jewelry polished after showing a very beautiful metallic luster, but also has a certain hardness can be inlaid precious stones, made of high-grade jewelry.

How to identify silver without plating
Silver jewelry is generally divided into plating and electroplating (such as rhodium, etc.). Silver jewelry plating: the inner layer of silver, surface do current processing; electroplating method so that it appeared on the surface gloss Silver bright, reflective effect is very good, easily oxidized (depending on the thickness of the plating decision oxidation time). Plating silver jewelry: it is easy to lose sulfide gloss (for sulfur dioxide and silver produce a chemical reaction to form a layer of silver sulfide on silver jewelry, the truth will slowly cut apple black) . Wiping cloth of silver are needed to carry out maintenance, restore its luster, silver wash water can also be used to clean.

Silver jewelry how to care for?
A lot of friends like sterling silver jewelry, but do not know how to care, in fact, we only need in everyday life a little thought, you can let the silver look as new.
1, silver is the best maintenance is to wear every day, because the body fat can produce natural moist luster.
2,Do not wear silver jewelry while wearing other Tiffany Bracelets, to avoid collision deformation or abrasion.
Keep the silver dry, do not wear swimming, not to close to the hot springs and sea water. Not available when 3,the surface of cotton swab or tissue paper to remove water and dirt, it would be placed in sealed bags or boxes, to avoid contact with air.
4, if the silver with yellow signs, the easiest way to use toothpaste add a little water light wash surface. Or use a small brush to clean silver jewelry jewelry slit, and then graze the surface with a silver cleaning cloth, immediately decorated to restore the original beautiful. (If you use a silver cleaning cloth to restore about 89 percent of the silver position, would not have to use silver polishing silver milk and wash water, because they all have some corrosion, silver jewelry in the use of these products will become more easy to turn yellow, silver cleaning cloth containing silver and maintenance components, can not be washed with water)
5, silver hair yellow serious with silver wash water soaking time not too long, usually a few seconds, remove and rinse with clear water, then dry with a tissue.

Thai silver and Tibetan silver
Thai Silver: fine silver, 99% silver content, but also some Thai process 925 silver sulfide into the ancient silver effect "also known as" Thai Silver ". Tibetan silver: generally contain silver components, copper-nickel alloy Blair said, traditionally Tibetan silver 30 percent silver and 70 percent of the copper, silver content is too low, so now the market has see not completely copper-nickel alloy instead.
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