(1) Weigh their weight: the density of platinum is high, the proportion is 2 times as that of silver, so using a hand to weigh them can be identified.
(2) Look at the color: platinum's appearance is gray, texture is relatively hard; silver color is white, smooth and delicate texture.
(3) Chemical method: Platinum grinding on some debris on a touchstone, drops of nitric acid and hydrochloric acid mixture, if the debris did not disappear, the specimen is platinum, if debris disappeared, indicates that the sample is silver.
(4) The fire method: the color of platinum will not change after the fire and cooling, but silver will appear in red or black after the fire and cooling.
(5) Mark method: platinum jewelry has a seal of "pt" or "plat", but there is label of "s" on the silver jewelry.
Thank you for your attention to the News Center of Foshan Zesen Stainless Steel Jewlery Co.,Ltd, a professional body jewelry and stainless steel jewelry manufacturer specializing in this indusrty for 10 years. For more information, please feel free to contact us at zsbodyjewelry.net.
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