アセチルアセトンによる鉄(III)の吸光光度定量法

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タイトル別名
  • Spectrophotometric method for the determination of ferric iron with acetylacetone
  • アセチルアセトン ニ ヨル テツ III ノ キュウコウ コウド テイリョウホウ

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説明

By an application of orange yellow coloration of an aqueous solution of iron acetylacetonate, the determination of iron was made by the light absorbancy method. The iron acetylacetonate gave different colorations depending on the pH of solution, giving a pink coloration of [Fe(C5H7O2)]2+ in acidic solution, and an orage yellow coloration of Fe(C5H7O2)3 in neutral solution. The determination of iron was made at about pH 7 with the concentration of 0.30.5% of acetylacetone and by measuring the absorbance at 440mμ. By this method, 0.510ppm of iron can be determined. The presence of large amounts of cobalt, copper, manganese, nickel and uranium has disturbing influences.

収録刊行物

  • 分析化学

    分析化学 8 (11), 710-714, 1959

    公益社団法人 日本分析化学会

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