YAKUGAKU ZASSHI
Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
高級脂肪酸のヒドロキサム酸の金属錯塩に関する研究 (第8報)
高級脂肪酸のヒドロキサム酸の比色定量法
黒野 吾市酒井 健籠谷 由紀子
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1964 年 84 巻 5 号 p. 463-466

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Absorption spectra in the visible range were examined in iron (III) complex salts of hydroxamic acid of various higher fatty acids listed in Table I and they were all found to show behavior exactly the same as that of myristohydroxamic acid reported in the preceding paper.*2 All the hydroxamic acids were found to form complex salts in the ratio of 1:1 (λmax 525mμ) at pH 2.0, of 2:1 (λmax 495mμ) and of 3:1 (λmax 485mμ) at pH 5.0.
A method was devised for colorimetric determination of hydroxamic acids of higher fatty acids by using the 1:1 complex salts formed at pH 2.0.

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