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
NORMA vydaná dňa 12.11.2007
Designation standards: GB/T 21198.2-2007
Note: NEPLATNÁ
Publication date standards: 12.11.2007
Country: Chinese technical standard
Kategória: Technické normy GB