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혼합 강전해질-혼합 용매계의 열역학적 모델-I. 전해질의 활동도 계수
A Thermodynamic Model for Strong Electrolytes-Mixed Solvent Systems
HWAHAK KONGHAK, August 1989, 27(4), 548-555(8), NONE
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Abstract
고농도 강전해질의 혼합 전해질-혼합 용매계에 대한 전해질의 거동을 계산하기 위한 방법으로 Cruz와 Renon의 모델을 확장하고, 다성분계에 적합한 매개 변수의 결정방법을 제시하였으며 이용 방법을 간략화하였다.
혼합 전해질(NaCl, KCl)-물과 전해질-혼합 용매(메탄올, 물)에 대한 전해질의 활동도 계수와 표준용해 깁스에너지를 계산한 결과 실험치와 잘 일치하였다.
혼합 전해질(NaCl, KCl)-물과 전해질-혼합 용매(메탄올, 물)에 대한 전해질의 활동도 계수와 표준용해 깁스에너지를 계산한 결과 실험치와 잘 일치하였다.
A model by Cruz and Renon was extended to concentrated mixed strong electrolytes-mixed solvents systems. Calculation was simplified by using solvent volume instead of system volume. Also a systematic method was developed for the determination of parameters applicable to mixed electrolytes-mixed solvents systems. Comparison of calculated activity coefficients of electrolytes and of standard Gibbs free energy of solution with ex-perimental values showed good agreements for NaCl-Methanol-Water, KCl-Methanol-water and NaCl-KCl-Water systems.
