- Standard No.
- GB/T 4325.28-1984
- 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 4325.24-2013
- Lastest
-
GB/T 4325.24-2013
- Scope
- This standard is applicable to the determination of tungsten content in molybdenum powder, molybdenum bar, molybdenum trioxide and ammonium molybdate. Measuring range: 0.0080~1.00%.
GB/T 4325.28-1984 history
- 2013 GB/T 4325.24-2013 Method for chemical analysis of molybdenum.Part 24:Determination of tungsten content.Inductively coupled plasma atomic emission spectrometry
- 1984 GB/T 4325.28-1984 Methods for chemical analysis of molybdenum--The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content
GB/T 4325.28-1984 Methods for chemical analysis of molybdenum--The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content was changed to GB/T 4325.24-2013 Method for chemical analysis of molybdenum.Part 24:Determination of tungsten content.Inductively coupled plasma atomic emission spectrometry.