GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates Determination of bismuth content-Flame atomic absorption spectrometric method (English Version)
This standard specifies the method for the determination of bismuth content in tin concentrate. This standard applies to the determination of bismuth content in tin concentrate. Measuring range: 0.005% to 2.00%.
GB/T 1819.7-2004 history
2017GB/T 1819.7-2017 Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method
2004GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates Determination of bismuth content-Flame atomic absorption spectrometric method
1979GB/T 1826-1979 Determination of bismuth content in tin concentrates--Dithiodiantipyryl methane photometric method
GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates Determination of bismuth content-Flame atomic absorption spectrometric method has been changed from GB/T 1826-1979 Determination of bismuth content in tin concentrates--Dithiodiantipyryl methane photometric method.