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Effect of Solvation with Salting Effect on Solubilities of Fluorocarbons in Alcohols

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Effect of Solvation with Salting Effect on Solubilities of Fluorocarbons in Alcohols. (a)Hideo Nishiumi , (b)Ken- ichi Ago, (c)Daisuke Kodama.

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Effect of Solvation with Salting Effect on Solubilitiesof

Fluorocarbons in Alcohols

(a)Hideo Nishiumi, (b)Ken-ichi Ago, (c)Daisuke Kodama

Chemical Engineering Laboratory, Hosei University,Tokyo, JAPAN, (b) Institute for Sustainability Research and Education, Hosei University, JAPAN, (c) Department of Chemical Biology and Applied Chemistry, College of Engineering, Nihon University, JAPAN

*E-mail: [email protected]

Mclaurinexpanhsion of (2) gives

A or A+N

(5)

F

Fig. Solubility Measurement of Fluorocarbon in

Alcohol or Alcohol+NaOHSolution

(6)

So,

1. Solubility of F in A (Binary)

(1)

Henry constants were obtained.

Values of h was obtained at atmospheric pressure

3. Effect of Fluorocarbon

Solvation on NaOH

2. Salting Effect due toAlcohol

Solvation (Ternary System)

F

A

Effect of temperature on solubility of CFC-12 in methanol with changing NaOH concentration at atmospheric pressure

correlated as

(2)

where hF,A : Setchenov Coefficient

(Salting Effect Coefficient)

constant proper to a system

(7)

F

Value of sF,A is obtained from hF,A at atmospheric pressure

Finally,

A

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