YS/T 273.8-2020 Methods of chemical analysis and physical properties of cryolite Part 8: Determination of sulfate content Barium sulfate gravimetric method (English Version)
2020YS/T 273.8-2020 Methods of chemical analysis and physical properties of cryolite Part 8: Determination of sulfate content Barium sulfate gravimetric method
2006YS/T 273.8-2006 Chemical analysis methods and physical properties of cryolite. Part 8:Determination of sulphate content by barium sulphate gravimetric method