ヌカ油とナタネ油中の微量鉄の定量

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タイトル別名
  • Determination of Small Amounts of Iron in Rice Bran Oil and Rape Seed Oil
  • ヌカユ ト ナタネユチュウ ノ ビリョウテツ ノ テイリョウ

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抄録

Authors investigated the determination of small amounts of iron in several samples of rice bran oil and rape seed oil by spectrophotometry. <BR>The maximum absorption of aqueous of Fe2+-2, 4, 6-tripyridyl-sym-triazine complex is 595 mμ, and optical density of the solution at 595 mμ conforms to Beer's low. <BR>Oil samples were obtained at each of the unit operations in the refinery. <BR>It was found that the range of content of iron in the several samples of rice bran oil and rape seed oil was 0.370.97 ppm and 0.290.98 ppm respectively, and the standard deviation of measured values was below 0.06. <BR>“Native” content of iron in rape seed oil was approximately 0.29 ppm. 47.3% of iron in refined rice bran oil was adsorbed by amberlite IR 120 resin column.

収録刊行物

  • 油化学

    油化学 15 (4), 160-163, 1966

    公益社団法人 日本油化学会

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