- Standard No.
- GB/T 4325.20-1984
- 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 4325.18-2013
- Lastest
-
GB/T 4325.18-2013
- Scope
- This standard is applicable to the determination of vanadium content in molybdenum powder, molybdenum bar, molybdenum trioxide and ammonium molybdate. Measuring range: 0.0005~0.01%.
GB/T 4325.20-1984 history
- 2013 GB/T 4325.18-2013 Methods for chemical analysis of molybdenum.Part 18:Determination of vanadium content.N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
- 1984 GB/T 4325.20-1984 Methods for chemical analysis of molybdenum--The N-benzoyl-N-phenylhydroxylamine photometric method for the determination of vanadium content
GB/T 4325.20-1984 Methods for chemical analysis of molybdenum--The N-benzoyl-N-phenylhydroxylamine photometric method for the determination of vanadium content was changed to GB/T 4325.18-2013 Methods for chemical analysis of molybdenum.Part 18:Determination of vanadium content.N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry.