高频感应燃烧红外吸收法测定碳化硅中硫含量
Chemical Analysis and Meterage(2014)
Abstract
采用高频感应燃烧红外吸收法测定碳化硅中硫含量,分别考察了取样量,助熔剂种类、用量对测定结果的影响。结果显示:取样量为90~140 mg,铁屑用量为0.8 g,钨锡助熔剂用量为1.6 g,可以得到稳定可靠的测定结果。测定结果的相对标准偏差为3.4%(n=10),加标回收率为94.8%~106.1%。
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Key words
high frequency induction,infrared,SiC,sulfur content
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