YB/T 159.6-1999
钛精矿(岩矿)化学分析方法.EGTA-CyDTA 容量法测定氧化钙和氧化镁含量
Methods for chemical analysis of titanium concentrate (rock minerals).The EGTA-CyDTA volumetric method for the determination of calcium oxide and magnesium oxide content
YBT159.6-1999, YB159.6-1999