- Standard No.
- GB/T 1819.4-2004
- Language
- Chinese, Available in English version
- Release Date
- 2004
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 1819.4-2004
- Replace
-
GB/T 1823-1979
- Scope
- This standard specifies the determination method of lead content in tin concentrate. This standard applies to the determination of lead content in tin concentrate. Measuring range: 0.005% to 5.00%.
GB/T 1819.4-2004 history
- 2004 GB/T 1819.4-2004 Methods for chemical analysis of tin concentrates-Determination of lead content-Flame atomic absorption spectrometric method and EDTA titrimetric method
- 1979 GB/T 1823-1979 Determination of lead content in tin concentrates
GB/T 1819.4-2004 Methods for chemical analysis of tin concentrates-Determination of lead content-Flame atomic absorption spectrometric method and EDTA titrimetric method has been changed from GB/T 1823-1979 Determination of lead content in tin concentrates.