Determination of idonic acid and gluconic acid II. Polarographic method
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概要
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Both idonic acid and gluconic acid consume 4 moles of periodate in acid solutions. This reaction is used for a simple determination of their sum. Periodate gives two steps of reduction waves : the first wave by the reduction of periodate to iodate and the second wave by the reduction of iodate to iodide. The reaction rate of periodate with idonic acid or gluconic acid was followed polarographically in various conditions. The rate constant of the reaction of 10 m<I>M</I> periodate with 1 m<I>M</I> sample at pH 6.8 and 15°C was 1.09 (min<SUP>-1</SUP>) for idonic acid and 0.65 for gluconic acid. The difference is used for the determination of each acid.
- 社団法人 日本分析化学会の論文
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- Determination of idonic acid and gluconic acid II. Polarographic method
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