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硫化钼中总铁含量的测定

Zengbing Zhao,Han Su,Cunming Xie,Yinan Wang,Weiqin Cheng,Lanxing Cheng

Inorganic Chemicals Industry（2018）

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Abstract
以磺基水杨酸为显色剂,采用紫外分光光度法测定硫化钼中的总铁含量.实验结果表明:该方法分析步骤简单、分析速度快;在吸收波长为420 nm、磺基水杨酸用量为5 mL条件下,方法的选择性好,精密度和准确度较好,其中测量结果标准偏差为0.000 406、加标回收率为99.89％.该方法为硫化钼深度除铁提供一定的分析依据.
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