- Standard No.
- GB/T 15072.7-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 15072.7-2008
- Replace
-
GB/T 15072.7-1994
GB/T 15072.19-1994
GB/T 15072.18-1994
- Scope
- This standard specifies methods for the determination of the amount of chromium and iron in gold alloys. This section applies to the determination of chromium and iron in AuNiCr, AuFeCr and AuNiFeZr alloys. Measuring range (mass fraction): 0.5% to 7%.
GB/T 15072.7-2008 Referenced Document
- YS/T 371 Methods for chemical analysis of precious metals alloys. General rules and regulations
GB/T 15072.7-2008 history
- 2008 GB/T 15072.7-2008 Test methods of precious metal alloys.Determination of chromium and iron contents for gold alloys.Inductively coupled plasma atomic emission spectrometry
- 1994 GB/T 15072.7-1994 Gold alloys-Determination of chromium content
GB/T 15072.7-2008 Test methods of precious metal alloys.Determination of chromium and iron contents for gold alloys.Inductively coupled plasma atomic emission spectrometry has been changed from GB/T 15072.19-1994 Gold alloys-Determination of chromium content..
GB/T 15072.7-2008 Test methods of precious metal alloys.Determination of chromium and iron contents for gold alloys.Inductively coupled plasma atomic emission spectrometry has been changed from GB/T 15072.18-1994 Gold alloys-Determination of iron content.