GB/T 21198.4-2007 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 21198.4-2007

Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 4：999‰ precious metals jewellery alloys - Determination of precious metals - Difference method

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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 21198.4-2007
Standard Category	China National Standards
GB Standard English Title	Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 4：999‰ precious metals jewellery alloys - Determination of precious metals - Difference method
GB Standard Chinese Title	贵金属合金首饰中贵金属含量的测定 ICP光谱法第4部分：999‰贵金属合金首饰贵金属含量的测定差减法
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