- Standard No.
- GB 223.18-1982
- Language
- Chinese
- Release Date
- 1982
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 223.18-1994
- Lastest
-
GB/T 223.18-1994
GB 223.18-1982 history
- 1994 GB/T 223.18-1994 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content
- 1982 GB 223.18-1982 Chemical analysis of iron,steel and alloy--The determination of copper by thiosulfate-iodide method
GB 223.18-1982 Chemical analysis of iron,steel and alloy--The determination of copper by thiosulfate-iodide method was changed to GB/T 223.18-1994 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content.