ホルモール滴定によるε-カプロラクタムの定量
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概要
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Determination of ε-caprolactam by formol titration was studied. ε-Caprolactam was hydrolysed to ε-aminocaproic acid with sulfuric acid, and the amino groups were converted to Schiff base with formaldehyde. The remaining carboxyl groups were determined by potentiometric titration with 0.02 <I>M</I> standard sodium hydroxide solution. Fifty milligrams of ε-caprolactam was determined within 1% error.
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