- Standard No.
- GB/T 8152.2-1987
- 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 8152.4-2006
-
GB/T 8152.12-2006
- Lastest
-
GB/T 8152.4-2006
-
GB/T 8152.12-2006
- Scope
- This standard applies to the determination of zinc content in lead concentrate. Measuring range: 1% to 10%.
GB/T 8152.2-1987 history
- 2006 GB/T 8152.4-2006 Methods for chemical analysis of lead concentrates. Determination of zinc content. EDTA titration method
- 1987 GB/T 8152.2-1987 Methods for chemical analysis of lead concentrates--The Na2 EDTA volumetric method for the determination of zinc content
GB/T 8152.2-1987 Methods for chemical analysis of lead concentrates--The Na2 EDTA volumetric method for the determination of zinc content was changed to GB/T 8152.4-2006 Methods for chemical analysis of lead concentrates. Determination of zinc content. EDTA titration method.