- Standard No.
- GB/T 4325.7-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 4325.8-2013
-
GB/T 4325.17-2013
- Lastest
-
GB/T 4325.8-2013
-
GB/T 4325.17-2013
- Scope
- This standard is applicable to the determination of cobalt content in molybdenum powder, molybdenum bar, aluminum trioxide and ammonium molybdate. Measuring range: 0.00025 to 0.012%.
GB/T 4325.7-1984 history
- 2013 GB/T 4325.8-2013 Methods for chemical analysis of molybdenum.Part 8:Determination of cobalt content.5-CI-PADAB spectrophotometry and flame atomic absorption spectrometry
- 1984 GB/T 4325.7-1984 Methods for chemical analysis of molybdenum--The 5-Cl-PADAB photometric method for the determination of cobalt content
GB/T 4325.7-1984 Methods for chemical analysis of molybdenum--The 5-Cl-PADAB photometric method for the determination of cobalt content was changed to GB/T 4325.8-2013 Methods for chemical analysis of molybdenum.Part 8:Determination of cobalt content.5-CI-PADAB spectrophotometry and flame atomic absorption spectrometry.