β-メルカプトヒドロ桂皮酸アニリド,β-メルカプト桂皮酸アニリドのニッケル,コバルトの比色定量試薬としての応用

概要

論文の詳細を見る
β-Mercaptohydrocinnamanilide (MHCA) and β-mercaptocinnamanilide (MCA) were prepared as new chelating agents containing mercapto and amide groups, and their application to the determination of nickel and cobalt was investigated. The nickel chelate of MHCA could be extracted into chloroform, while the cobalt chelate of MCA could be extracted into isoamyl acetate. Determination of nickel by MHCA and that of cobalt by MCA both within 10 and 100 ppm were found to be possible by the measurement of the absorbance at 430 mμ and 640 mμ, respectively. The molar ratio of the nickel chelate was 2: 1 and the cobalt chelate 3 : 1. As these reagents are stabler than the ordinary mercapto compounds, they are considered to be useful analytical reagents.