China Platinum jewellery a GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2：Platinum jewellery alloys - Determination of platinum - Method using the intensity ratios of all minor constituents with reference to platinum 贵金属合金首饰中贵金属含量的测定 ICP光谱法第2部分：铂合金首饰铂含量的测定采用所有微量元素与铂强度比值法 - 英文版
	GB/T 21198.1-2007 Determination of precious metals in precious metals jewellery alloys -Method using ICP spectrometry - Part 1：Platinum jewellery alloys - Determination of platinum - Method using a solution with yttrium as internal standard element 贵金属合金首饰中贵金属含量的测定 ICP光谱法第1部分：铂合金首饰铂含量的测定采用钇为内标 - 英文版
	GB/T 19720-2005 Platinum 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 - 英文版

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