Electric Conductivities of Aqueous Solutions Containing Various Salts and Alcohol-Water Solutions Containing Potassium Acetate

Kenji Mishima, Masatoshi Sakemi, Masanori Nagatani, Setsuko Yonezawa, Yasuhiko Arai

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

The electric conductivities of aqueous solutions containing a single salt (LiCl, NaCl, KC1, CH3COOK, CaCl2, BaCl2 and A1C13), two salts (NaCl-KCl, NaCl-CaCl2, NaCl-AlCl3, CaCl2-BaCl2, CaCl2-AlCl3 and NaCl-CH3COOK), and three salts (NaCl-LiCl-KCl, NaCl-LiCl-CaCl2, NaCl-CaCl2-BaCl2, NaCl-CaCl2-AICI3, CaCl2-BaCl2-AICI3, NaCl-CH3COOK--LiCl and NaCl-CH3COOK-CaCl2) were measured at 25°C up to 0.3 mol.l-1 of the salt. The electric conductivities of the methanol-water and the ethanol-water solutions containing CH3COOK were also measured at 25°C up to 15 wt% of the salt. From the present experimental data, it is found that the linear relationship between the molar conductivity and the square root of concentration is valid in the dilute region and that the law of the independent migration of ions proposed by Kohlrausch for the limiting molar conductivity can be extended to aqueous solutions containing various salts. The electric conductivity of the methanol-water solution at the same concentration of potassium acetate is larger than that of the ethanol-water solution, probably due to the larger dielectric constant of methanol.

本文言語英語
ページ(範囲)732-739
ページ数8
ジャーナルkagaku kogaku ronbunshu
18
5
DOI
出版ステータス出版済み - 1992

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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