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

NORMA vydaná dňa 12.11.2007

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The information about the standard:

Designation standards: GB/T 21198.1-2007
Note: NEPLATNÁ
Publication date standards: 12.11.2007
Country: Chinese technical standard
Kategória: Technické normy GB