- Standard No.
- GB/T 5121.22-2008
- 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 5121.22-2008
- Replace
-
GB/T 5121.22-1996
GB/T 13293.3-1991
- Scope
- This method specifies the method for the determination of cadmium content in copper and copper alloys. Method 1 Zeeman effect electrothermal atomic absorption spectrometry: measurement range: 0.00005% to 0.0010%. Method 2 Flame atomic absorption spectrometry: Measuring range: 0.50% to 1.50%.
GB/T 5121.22-2008 history
- 2008 GB/T 5121.22-2008 Methods for chemical analysis of copper and copper alloys.Part 22: Determination of cadmium content
- 1996 GB/T 5121.22-1996 Copper and copper alloys--Determination of cadmium content
- 1991 GB/T 13293.3-1991 Higher purity copper cathode.Determination of bismuth contene.Hydride generation-atomic fluorescence spectrometric method
GB/T 5121.22-2008 Methods for chemical analysis of copper and copper alloys.Part 22: Determination of cadmium content has been changed from GB/T 13293.3-1991 Higher purity copper cathode.Determination of bismuth contene.Hydride generation-atomic fluorescence spectrometric method.