GB/T 3286.2-2012
AbolishedMethods for chemical analysis of limestone and dolomite - Part 2: The determination of silicon dioxide content - The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method
石灰石及白云石化学分析方法 第2部分：二氧化硅含量的测定 硅钼蓝分光光度法和高氯酸脱水重量法