trace platinum
trace platinum, Total:2 items.
The international standard classification for "trace platinum" includes: Jewellery .
The Chinese standard classification for "trace platinum" includes: Artistic handicrafts .
General Administration of Quality Supervision, Inspection and Quarantine 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
- GB/T 19720-2005 Platinum jewellery alloys--Determination of platinum and palladium--Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime
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