- Standard No.
- GB/T 223.56-1987
- Language
- Chinese
- Release Date
- 1987
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 223.55-2008
- Lastest
-
GB/T 223.55-2008
- Scope
- This standard is applicable to the determination of tellurium content in steel, high, medium and low alloy steel and high temperature alloy. Measuring range: 0.00004 ~ 0.001%. This standard complies with GB1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
GB/T 223.56-1987 history
- 2008 GB/T 223.55-2008 Iron, steel and alloy. Determination of tellurium content. Oscillo-polarographic method
- 1987 GB/T 223.56-1987 Methods for chemical analysis of iron,steel and alloy--The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium content
GB/T 223.56-1987 Methods for chemical analysis of iron,steel and alloy--The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium content was changed to GB/T 223.55-2008 Iron, steel and alloy. Determination of tellurium content. Oscillo-polarographic method.