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Volume 18 Issue 4
Dec.  2004
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PAN Jian-zhong, ZHU Lan. Study on the Determination of Content of Fluorine in Rare Earth Fluoride[J]. Nonferrous Metals Science and Engineering, 2004, 18(4): 36-38.
Citation: PAN Jian-zhong, ZHU Lan. Study on the Determination of Content of Fluorine in Rare Earth Fluoride[J]. Nonferrous Metals Science and Engineering, 2004, 18(4): 36-38.
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Study on the Determination of Content of Fluorine in Rare Earth Fluoride

  • Jiangxi South RE High-tech.Co., ltd, Ganzhou 341000, Jiangxi, China

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  • Received Date: July 15, 2004
  • Published Date: December 30, 2004
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    • Abstract
  • The Fluorine is combined with rare earth element quantitatively, the content of rare earth element is determinated by EDTA method, which could determinate the content of Fluorine.The effects of acidity and buffer solution on the result is studied, as well as the elimination condition for impurity interference.The rate of recovery is between 98.67% and 100.45%, the standard deviation is less than 0.21%.
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    • References (3)
  • [1]
    郑逢林.焊条烟尘中总氟可溶性氟和锰的快速测定[j].理化检验, 1979, 15 (4): 28. http://www.cnki.com.cn/Article/CJFDTOTAL-LHJH197904015.htm
    [2]
    北京矿冶研究总院分析室.矿石及有色金属分析手册[M].北京:冶金工业出版社, 1990.139.
    [3]
    XB/T215-1995. 氟化镝[S].
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