Coal and coke - Analysis and testing, Part 6.3.1: Higher rank coal and coke - Ultimate analysis - Total sulfur - Eschka method
煤和焦炭.分析和试验 第6.3.1部分:高级煤和焦炭.最终分析.总硫.埃什卡法
Sets out a procedure, by conversion of sulfur to sulfate with Eschka mixture and measurement of the sulfate gravimetrically, for the determination of total sulfur in the analysis sample of higher rank coal and coke.