GB/T 21198.6-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry— Part 6: Difference method (Text of Document is in English)

01/07/2008

12P

$55.00 USD

Contents
Foreword
1 Scope
2 Normative References
3 Methods and principles
4 Test material
5 Apparatus
6 Procedures of analysis
6.1 Preparation of Sample
6.2 Preparation of sample solution
6.3 Determination
7 Results representation
7.1 The calculation for the total amount of the test element
7.2 Calculation of the precious metal content
7.3 Reproducibility
8 Test report
Annex A (Informative) Recommended Test Analysis Line