- Standard No.
- GB/T 5121.16-2008
- 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 5121.16-2008
- Replace
-
GB/T 13293.3-1991
GB/T 5121.16-1996
- Scope
- This method specifies the method for the determination of chromium content in copper and copper alloys. This section applies to the determination of chromium content in copper and copper alloys. Method 1 Measuring range: 0.00005% to 0.0010%. Method 2 Measuring range: 0.050% to 1.30%. Method Three Titration Warning: During the performance of this method, precautions regarding the use of perchloric acid in the laboratory must be followed. This method specifies the titration method for the determination of the total chromium content in copper-chromium alloys listed in International Standards. This method is applicable to products with a chromium content of 0.10% to 2.0%.
GB/T 5121.16-2008 history
- 2008 GB/T 5121.16-2008 Methods for chemical analysis of copper and copper alloys.Part 16:Determination of chromium content
- 1996 GB/T 5121.16-1996 Copper and copper alloys--Determination of chromium content
- 1991 GB/T 13293.3-1991 Higher purity copper cathode.Determination of bismuth contene.Hydride generation-atomic fluorescence spectrometric method
GB/T 5121.16-2008 Methods for chemical analysis of copper and copper alloys.Part 16:Determination of chromium content has been changed from GB/T 13293.3-1991 Higher purity copper cathode.Determination of bismuth contene.Hydride generation-atomic fluorescence spectrometric method.