- Standard No.
- GB/T 15072.18-2008
- 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 15072.18-2008
- Replace
-
GB/T 15072.20-1994
- Scope
- This standard specifies the method for the determination of the amount of zirconium and gallium in gold alloys. This section applies to the determination of the amount of zirconium and gallium in AuNiFeZr and AuGa alloys. Measuring range (mass fraction): 0.1% to 2%.
GB/T 15072.18-2008 Referenced Document
- YS/T 371 Methods for chemical analysis of precious metals alloys. General rules and regulations
GB/T 15072.18-2008 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 15072.18-1994 Gold alloys-Determination of iron content
GB/T 15072.18-2008 Test method of precious metal alloys.Determination of zirconium and gadolinium contents for gold alloys.Inductively coupled plasma atomic emission spectrometry has been changed from GB/T 15072.20-1994 Gold alloys-Determination of zirconium content.