- Standard No.
- GB/T 7739.4-1987
- 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 7739.3-2007
-
GB/T 7739.14-2019
- Lastest
-
GB/T 7739.3-2019
-
GB/T 7739.14-2019
- Scope
- This standard applies to the determination of arsenic in gold concentrate. Measuring range: 0.35 to 2.00%.
GB/T 7739.4-1987 history
- 2019 GB/T 7739.3-2019 Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content
- 2007 GB/T 7739.3-2007 Methods for chemical analysis of gold concentrates Part 3: Determination of arsenic contents
- 1987 GB/T 7739.4-1987 Methods for chemical analysis of gold concentrates--The iodometric method for the determination of arsenic content
GB/T 7739.4-1987 Methods for chemical analysis of gold concentrates--The iodometric method for the determination of arsenic content was changed to GB/T 7739.3-2007 Methods for chemical analysis of gold concentrates Part 3: Determination of arsenic contents.