α-オキシ水酸化鉄の赤外吸収スペクトルとその分析への応用

佐藤 公隆, 柳沢 義昭

doi:10.2116/bunsekikagaku.20.677

α-オキシ水酸化鉄の赤外吸収スペクトルとその分析への応用

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佐藤公隆

新日本製鉄株式会社基礎研究所
柳沢義昭

新日本製鉄株式会社基礎研究所

書誌事項

タイトル別名

Infrared spectroscopic analysis of α-ferric oxyhydroxide
アルファ-オキシスイサンカテツノセキガイキュウシュウスペクトルトソノブンセキエノオウヨウ
Studies of state analysis with instrumental method. I
機器による状態分析の基礎的研究(第1報)

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説明

The infrared absorption spectra of α-ferric oxyhydroxides with different aging times were studied in detail. As a result, a linear correlation was found between the frequency of variable bands of 610?643 cm^-1 and the absorbance of 890cm^-1 band of α-ferric oxyhydroxides. The correlation was further applied to the determination of the content of α-ferric oxyhydroxides in rusts and iron ores. The analytical values obtained by the present method were in good agreement with those by the thermogravimetric analysis.