- Standard No.
- GB/T 5121.9-2008
- 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 5121.9-2008
- Replace
-
GB/T 13293.7-1991
GB/T 5121.9-1996
- Scope
- This method specifies the method for the determination of iron content in copper and copper alloys. This section applies to the determination of iron content in copper and copper alloys. Method 1 Measuring range: 0.000 1% to 0.002 0%. Method 2 Measuring range: 0.0015% to 0.50%. Method 3 Measuring range: >0.50% to 7.00%.
GB/T 5121.9-2008 history
- 2008 GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys.Part 9:Determination of iron content
- 1996 GB/T 5121.9-1996 Copper and copper alloys--Determination of iron content
- 1991 GB/T 13293.7-1991 Higher purity copper cathode.Determination of iron,cobalt and lead contents.Zeeman effect electrothermal atomic absorption spectrometric method
GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys.Part 9:Determination of iron content has been changed from GB/T 13293.7-1991 Higher purity copper cathode.Determination of iron,cobalt and lead contents.Zeeman effect electrothermal atomic absorption spectrometric method.