S925 silver is the international standard silver for making silver jewelry in the world. It is different from 9.999 silver because the purity of 9.999 silver is relatively high. It is very soft and difficult to make complex and diverse jewelry, and 925 silver jewelry does not actually contain silver. 100%, it is a 7.5% alloy added to sterling silver, which improves the luster, brightness and hardness of silver. So which aspects of the identification of S925 silver jewelry should be carried out? S925 silver is an internationally made silver jewelry International Standard Silver. It is different from 9.999 silver because the purity of 9.999 silver is relatively high, so it is very soft and difficult to make complex and diverse jewelry, and 925 silver jewelry does not actually contain 100% silver, it is 7.5% added to sterling silver Alloys improve the luster, brightness and hardness of silver. So s925 silver can make all kinds of jewelry. So from which aspects should the identification of s925 silver jewelry be carried out? Identification of s925 silver jewelry 1) Imprint. Silver jewelry should generally be marked with the abbreviation of silver ('s' or'sterling'). The imprint of standard silver is s925. The imprint of Pure Silver is s990. But there are also many countries that do not print notes on silver jewelry. 2) Color and luster. Silver jewelry is mostly yellowish silvery white with a soft metallic luster. Because it is easy to oxidize, the color will become dark yellow-white over time. 3) Heavy weight. The density of silver is 10.53 g/cm3. It's smaller than platinum and gold, and it doesn't feel like a drop in your hand. The steel needle can make a mark or bend it. In this way, it can be distinguished from German silver jewelry made of platinum, k platinum or imitation silver. 4) Acid test. Silver will change color or even dissolve when it encounters any acid. If a drop of concentrated hydrochloric acid is dripped on the inside of silver jewelry, a white moss-like silver chloride precipitate will be formed immediately. But other precious metals do not have this phenomenon. 5) Sound and rhyme. The sound of standard silver jewelry is dull after landing, does not bounce or roll. Previous: Ten ways to wear silver jewelry Next: A few basic knowledge about silver