- Standard No.
- GB/T 5121.3-2008
- 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 5121.3-2008
- Replace
-
GB/T 13293.7-1991
GB/T 5121.3-1996
- Scope
- This standard specifies the method for the determination of lead content in copper and copper alloys. Method 1 of this standard is applicable to the determination of lead content in copper and copper alloys. Measuring range: 0.00010% to 0.0015%. Method 2 is applicable to the determination of lead content in copper and copper alloys. Measuring range: >0.0015% to 5.00%.
GB/T 5121.3-2008 history
- 2008 GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys.Part 3:Determination of lead content
- 1996 GB/T 5121.3-1996 Copper and copper alloys--Determination of lead 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
- 1985 GB/T 5122.2-1985 Methods for chemical analysis of brass--The electrolytic separation--EDTA titrimetric method for the determination of lead content
GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys.Part 3:Determination of lead 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.