GB/T 1819.10-2017 Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method (English Version)
2017GB/T 1819.10-2017 Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method
2004GB/T 1819.10-2004 Methods for chemical analysis of tin concentrates Determination of sulphur content-The high frequency infrared absorption method and the combustion potassium iodate titrimetric method
1979GB/T 1829-1979 Determination of sulfur content in tin concentrates--Direct combustion-iodometric method