静電選鉱における磁硫鉄鉱の2, 3の性質

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タイトル別名
  • Characteristics of Pyrrhotite on Electrostatic Separation
  • セイデンセンコウ ニ オケル ジリュウテッコウ ノ 2 , 3 ノ セイシツ

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A study has been made to ascertain the relation between magnetic property and electric conductivity (reciprocal of electric resistivity) of pyrrhotite when subjected to electrostatic separation.<BR>As previously known, there exists co-relation between magnetic property and floatability of pyrrhotite, but there is no report concerning to the relation between electric conductivity and magnetic property.<BR>So the authors measured electric conductivity by powder method, and magnetic property by magnetic balance, on the samples by electrostatic separation.<BR>The results obtained are as follows:<BR>1) Magnetism of pyrrhotite increases in inverse proportion with its electric conductivity.<BR>2) Electric conductivity of pyrrhotite has been found to be from 102 to 10 mho/cm by powder method.<BR>3) The maximum electric resistivity is found to be at the point where Fe content in pyrrhotite is about 60%(by chemical analysis). At this point, its magnetism is considered to be maximum and flotability minimum.<BR>4) Indicates electrostatic separation of pyrrhotite is more effective when combined with magnetic separation.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 76 (859), 23-26, 1960

    一般社団法人 資源・素材学会

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