GB/T 21198.2-2007
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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
Issued Date:2007-11-12
Implemented Date:2008-07-01
Issued by:
The Standardization Administration of the People's Republic of China