GB/T 4375.4-1984
Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
2007-09
- Standard No.
- GB/T 4375.4-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 4375.4-1984
- Replace By
- YS/T 520.4-2006
- Scope
- This standard applies to the determination of iron in gallium. Measuring range: 0.000050~0.015%.
GB/T 4375.4-1984 history
- 1984 GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 4375.4-1984 was changed to YS/T 520.4-2006 Gallium Chemical Analysis Method 4,7-Diphenyl-1,10-Phenanthroline Spectrophotometric Determination of Iron Content.
GB/T 4375.4-1984 -All Parts
GB/T 4375.1-1984 Methods for chemical analysis of gallium--The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content
GB/T 4375.10-1984 Methods for chemical analysis of gallium--The atomic absorption spectrophotometric method for the determination of zinc content
GB/T 4375.11-1984 Methods for chemical analysis of gallium--The cold vapor atomic absorption spectrophotometric method for the determination of mercury content
GB/T 4375.12-1984 Methods for chemical analysis of gallium--The spectrochemical method for the determination of lead,copper,nickel,aluminum,indium and zinc content
GB/T 4375.2-1984 Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
GB/T 4375.3-1984 Methods for chemical analysis of gallium--The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminum content
GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 4375.5-1984 Methods for chemical analysis of gallium--The N2O-C2H2flame atomic absorption spectrophotometric method for the determination of calcium content
GB/T 4375.6-1984 Methods for chemical analysis of gallium--The salicylfluorone cetyl trimethyl ammonium bromide photometric method for the determination of tin content
GB/T 4375.7-1984 Methods for chemical analysis of gallium--The molybdenum blue photometric method for the determination of silicon content
GB/T 4375.8-1984 Methods for chemical analysis of gallium--The ethyl violet photometric method for the determination of indium content
GB/T 4375.9-1984 Methods for chemical analysis of gallium--The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content