Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-ch

Details Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-ch Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-ch

1993-10-18

1995-03-28

Skaling, Linda

Compositions

Water-softening or purifying or scale-inhibiting agents

203 50, 203 67, 252162, 252DIG9, 570164, 570177, 570178, B01D 336, C07C 1738, C11D 750

Patent

active

054014301

ABSTRACT:
Hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane forms an azeotropic mixture of which molar ratio of HF/1,1,1-trifluoro-2-chloroethane varies, for example, from about 60/40 at a pressure of 1.5 Kg/cm.sup.2 G and a temperature of 20.degree. C. to about 45/55 at a pressure of 15 Kg/cm.sup.2 G and a temperature of 87.degree.C.

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Santacesaria et al., Journal of Fisprin Chemistry vol. 61 pp. 123-131 Mar. 1993.

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