Methods 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
全国钢标准化技术委员会(SAC/TC 183)
GB/T 3286的本部分规定了用硅钼蓝分光光度法和高氯酸脱水重量法测定二氧化硅含量。
本部分适用于石灰石、白云石中二氧化硅含量的测定，也适用于冶金石灰中二氧化硅含量的测定。硅钼蓝分光光度法，测定范围（质量分数）：二氧化硅含量0.05%~4.0%；高氯酸脱水重量法，测定范围（质量分数）：二氧化硅含量大于2.0%。
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