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
全国钢标准化技术委员会(SAC/TC 183)
GB/T 3286的本部分规定了用管式炉燃烧碘酸钾滴定法、高频燃烧红外吸收法和硫酸钡重量法测定硫含量。
本部分适用于石灰石、白云石中硫含量的测定，及冶金石灰中硫含量的测定。管式炉燃烧碘酸钾滴定法和高频燃烧红外吸收法测定范围（质量分数）为0.01%～0.5%；硫酸钡重量法测定范围（质量分数）为硫含量大于或等于0.10%；附录B管式炉燃烧碘滴定法测定范围（质量分数）为硫含量不小于0.01%。
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