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SHI Xian-yi, LIAO Jing-ting, WANG Shi-bin. Improvement on the method for Determination of Iron in Pyrites by Potassium Dichromate Titrimetry with Aluminium Tablet Reduction[J]. Rock and Mineral Analysis, 2009, 28(2): 197-198.
Citation: SHI Xian-yi, LIAO Jing-ting, WANG Shi-bin. Improvement on the method for Determination of Iron in Pyrites by Potassium Dichromate Titrimetry with Aluminium Tablet Reduction[J]. Rock and Mineral Analysis, 2009, 28(2): 197-198.
shu

Improvement on the method for Determination of Iron in Pyrites by Potassium Dichromate Titrimetry with Aluminium Tablet Reduction

  • 1.

    Department of Resources and Engineering， Hechi Vocational College

  • 2.

    Department of Resources and Engineering， Hechi Vocational College

  • 3.

    Department of Resources and Engineering， Hechi Vocational College

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  • Received Date: September 27, 2008
  • Revised Date: December 20, 2008
    Abstract
  • In view of the environmental pollution from mercury in determination of iron by means of stannous chloridemercury chloridepotassium dichromate titration, a new method without use of mercury reagent is proposed in this paper. By cutting off air, aluminium tablet is used to reduce ferric to ferrous and then ferrous is determined by potassium dichromate titrimetry. The method is reliable with precision of 0.61%RSD(n=5) and suitable for the determination of iron in pyrites.
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