Methods for chemical analysis of limestone and dolomite―Part 7: The determination of sulphur content―The pipe furnace combustion iodic acid potassium titration method,the high frequency combustion with infrared absorption method and the barium sulfate gravimetric method
Methods for chemical analysis of zinc oxide produced by direct process―Part 5:Determination of manganese content―Flame atomic absorption spectrometry method
Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method