Azeotrope-like compositions of methanol, nitromethane and trichl

Details Azeotrope-like compositions of methanol, nitromethane and trichl Azeotrope-like compositions of methanol, nitromethane and trichl

1974-07-25

1976-06-01

Schulz, William E.

Compositions

Water-softening or purifying or scale-inhibiting agents

252DIG9, 2606525R, C11D 750

Patent

active

039607461

ABSTRACT:
Azeotrope-like compositions comprising from 5.0 to 6.3 weight percent of methanol, from 0.05 to 0.6 weight percent of nitromethane and from 93.1 to 94.95 weight percent of 1,1,2-trichloro-1,2,2-trifluoroethane, the compositions being useful for cleaning printed circuit boards.

REFERENCES:
patent: 2999816 (1961-09-01), Bennett et al.
patent: 3085116 (1963-04-01), Kvalnes
patent: 3723332 (1973-03-01), Barton
patent: 3789006 (1974-01-01), McMillan

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