- Standard No.
- GB/T 4325.22-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 4325.22-2013
- Replace
-
GB/T 4325.24-1984
- Scope
- This part of GB/T 4325 specifies the method for the determination of phosphorus content in molybdenum powder, molybdenum strip, molybdenum trioxide and ammonium molybdate. This section applies to the determination of phosphorus content in molybdenum powder, molybdenum bar, molybdenum trioxide and ammonium molybdate. Measuring range: 0.0002%~0.0180%.
GB/T 4325.22-2013 history
- 2013 GB/T 4325.20-2013 Methods for chemical analysis of molybdenum.Part 20:Determination of manganese content.Flame atomic absorption spectrometry
- 1984 GB/T 4325.22-1984 Methods for chemical analysis of molybdenum--The formaldoxime photometric method for the determination of manganese content
GB/T 4325.22-2013 Methods for chemical analysis of molybdenum.Part 22:Determination of phosphorus content.Molybdenum blue spectrophotometry has been changed from GB/T 4325.24-1984 Methods for chemical analysis of molybdenum--The molybdenum blue photometric method for the determination of phosphorus content.