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

STANDARD published on 12.11.2007

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The information about the standard:

Designation standards: GB/T 21198.4-2007
Note: WITHDRAWN
Publication date standards: 12.11.2007
Country: Chinese technical standard
Category: Technical standards GB