Determination of Ethanol in Sake Mash by a Chloride Ion-Selective Electrode

Tadayuki Tsukatani, Kiyoshi Toko

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

A chloride ion-selective solvent polymeric membrane electrode (Cl-ISE) using quaternary ammonium salts for determination of the ethanol concentration during sake fermentation is described The ethanol response by a Cl-ISE is based on the change in the transfer activity coefficient of CI- from water to ethanol. The logarithm value of the transfer activity coefficient increases linearly with increasing ethanol concentration. The Cl-ISE using a mixture of o-nitro-phenyloctyl ether and n-tetradecylalcohol as plasticizers and tetradodecylammonium salts as sensing materials showed good linearities for ethanol (-2.39 mV/%) and for Cl- (-53.6 mV/decade). Furthermore, the interference from co-existent components in sake mash with the response of the Cl-ISE was improved in comparison with that using other plasticizers and sensing materials. The Cl-ISE was found to show good accuracy in the measurement of ethanol in sake mash.

本文言語英語
ページ(範囲)43-47
ページ数5
ジャーナルFood Science and Technology Research
5
1
DOI
出版ステータス出版済み - 2 1999

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering
  • Marketing

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