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Founded in 1987， Bimonthly
Supervisor：Jiangxi University Of Science And Technology
Sponsored by：Jiangxi University Of Science And Technology
Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 21 Issue 1
Mar.  2007
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OU Li-ling. The EDTA Volumetric Method for the Determination of Calcium Content[J]. Nonferrous Metals Science and Engineering, 2007, 21(1): 38-39.
Citation: OU Li-ling. The EDTA Volumetric Method for the Determination of Calcium Content[J]. Nonferrous Metals Science and Engineering, 2007, 21(1): 38-39.
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The EDTA Volumetric Method for the Determination of Calcium Content

  • Xialong Tungsten Limited Company, Dayu 341518, China

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  • Received Date: January 04, 2007
  • Published Date: March 30, 2007
    Graphical Abstract
    • Abstract
  • Determine the content of calcium with the mixed acidic thionation decomposition sample in the tungsten concentrates mineral.The mineral of tungsten concentrates was decomposed by mixed acidic thionation; severed with tungsten, manganese, iron, zinc etc.; filtered to calcium oxide; dissolved by hydrochloric acid; indicated by calcein-thymolphthalein and determined by EDTA standard solution titration at the PH value>12.Through the trial and practice, this result and national standard method result fit together mutually.With the speedy, simple and accurate quality, this method is available for the anylysis of calsium content in tungsten concentrates mine and tungsten mineral stone.
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    • References (3)
  • [1]
    GB6150-1985. 钨精矿化学分析方法[S].
    [2]
    北京矿冶研究所总院分析室.矿石及有色金属分析手册[M].北京:冶金工业出版社, 1990.
    [3]
    邢文卫, 田景君.分析化学[M].北京:化学工业出版社, 1985:515-530.
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