吸光光度法による高マンガン鋼およびフェロマンガン中のマンガンの迅速定量

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タイトル別名
  • Rapid determination of manganese in high manganese steel and ferromanganese by spectrophotometric method
  • キュウコウ コウドホウ ニ ヨル コウマンガン コウ オヨビ フェロ マンガン チュウ ノ マンガン ノ ジンソク テイリョウ ノート

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抄録

Manganese in high manganese steel and ferromanganese was rapidly and precisely determined by a differential spectrophotometric method.<BR>Measurements at wave length 554 mμ were suitable to aviod the absorption of chromic acid and a solution, containing about l419mg of manganese in 250 ml, was suitable as the reference.<BR>Coloration of permanganate ion in the sample solution was made in 0.20.4 M sulfuric acid in the presence of phosphoric acid. This could be properly carried by boiling the sample solution for one minute and fifteen seconds after an addition of silver nitrate catalyst and ammonium persulfate.<BR>This color of permanganate ion was stable at least for an hour at room temperature.

収録刊行物

  • 分析化学

    分析化学 21 (10), 1380-1381, 1972

    公益社団法人 日本分析化学会

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