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降低钠还原钽粉中铁、镍质量分数的工艺探讨

Lijun LI,Guoqing LUO,Jianwei LIU,Baojun JI

Ningxia Engineering Technology（2020）

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Abstract
为了控制钽粉的纯度,降低钽粉中铁、镍金属杂质质量分数,探讨了不同注钠方式、稀释盐中水质量分数、注钠最高温度对还原钽粉中铁、镍杂质质量分数的影响.结果 表明,采取分次注钠工艺,控制稀释盐中水质量分数,降低注钠最高温度,可使钽粉中的铁、镍质量分数明显减少.
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