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本文对红外吸收法测定钢中微量硫的最佳分析条件进行了研究。测定了铁基、镍基高温合金等试样，得到了满意的结果。
In this paper, the infrared absorption method for the determination of trace sulfur in steel analysis of the best conditions were studied. The iron-based and nickel-based superalloy samples were measured and satisfactory results were obtained.