Identification of silver fineness

   Silver is relatively cheaper, relatively speaking, simple fineness identify the main methods are:

    Distinguish colors: high fineness of silver and bright white and delicate, low-fineness of silver was slightly yellow or gray and does not clean. In general, the Ag-Cu alloy jewelry color yellowish white, fineness, the lower the color more yellow; silver-copper alloy partial gray color, fineness, the lower gray or gray-black, such as the 800 was off-white silver, 700 silver gray, dark gray was 500 silver .

    Test toughness: silver toughness good, easy to bend the higher fineness difficult to break. The lower fineness is not easy, but easy to turn off.

    Sub-hardness: the hardness of silver foot lower than gold with a fingernail can be carved, if the jewelry soft but not tough, it may be tin or lead, if it may be hard but not ductile copper-nickel alloy.

    See stamp: regular manufacturers of silver jewelry are generally stamped, the international practices to 1000 points plus "S" or "Silver" or "Silver" the word that silver jewelry and its fineness. Such as "800S" or "800 Silver" have expressed the fineness of the silver jewelry Bacheng. Silver jewelry is to use the "SF (ie SilverPill)" said. Correctly identify the stamp you can identify whether or silver jewelry, as well as the level of fineness of silver.

    Listen to rhyme: silver jewelry resounding, no stretch, and sounds of the "porphyrin porphyrin clatter clatter." Lower fineness, the sound, the lower and higher and the band sounds more sharp rhyme; if it is copper, the higher the sound and sharp, rapid and short Yunsheng; if the lead. Tin texture, then throw to sound boring. Short, non-elastic.

    Weigh Weight: silver density slightly larger than the average common metal, generally speaking: "aluminum light. Silver weight. Copper is not light nor heavy." And thus whether the Dian Dian weight of silver to make their initial judgments. If the jewelry larger and lighter, you can initially determine if the jewelry is other metals.