Ferrosilicon—Determination of sulfur content—Infrared absorption method and chromatographic separation-barium sulfate gravimetric method
全国生铁及铁合金标准化技术委员会(SAC/TC 318)
GB/T 4333的本部分规定了采用色层分离硫酸钡重量法和红外线吸收法测定硅铁中的硫含量。
本部分适用于硅铁中硫含量的测定。测定范围（质量分数）：方法一0.005%~0.025%；方法二0.002%~0.030%。
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