- Standard No.
- GB 223.31-1984
- 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 223.31-1994
- Lastest
-
GB/T 223.31-2008
GB 223.31-1984 history
- 2008 GB/T 223.31-2008 Iron,steel and alloy.Determination of arsenic content.Distillation-molybdenum blue spectrophotometric method
- 1994 GB/T 223.31-1994 Methods for chemical analysis of iron, steel and alloy.The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content
- 1984 GB 223.31-1984 Methods for chemical analysis of iron,steel and alloy--The distillation-molybdenum blue photometric method for the determination of arsenic content
GB 223.31-1984 Methods for chemical analysis of iron,steel and alloy--The distillation-molybdenum blue photometric method for the determination of arsenic content was changed to GB/T 223.31-1994 Methods for chemical analysis of iron, steel and alloy.The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content.