GB/T 19720-2005
AbolishedPlatinum jewellery alloys-Determination of platinum and palladium-Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime
铂合金首饰 铂、钯含量的测定 氯铂酸铵重量法 丁二酮肟重量法
Application Summary AI generated
This standard specifies a gravimetric method for determining the platinum and palladium content in platinum jewellery alloys. It is applied in the jewellery industry for quality control and certification of precious metal content in platinum alloy products. The method involves precipitating platinum as diammonium hexachloroplatinate and palladium as dimethylglyoxime, followed by weighing the residues.
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