High pH coolant containing carbonate ion

Details High pH coolant containing carbonate ion High pH coolant containing carbonate ion

1982-10-25

1984-06-05

Kittle, John E.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 74, 252 77, 252387, 252389R, C09K 1532

Patent

active

044527152

ABSTRACT:
pH in the range of 9 to 10.5 can be maintained at elevated temperatures over an extended period by the decarboxylation of bicarbonate or carbonate ion present in a coolant composition free of phosphate and borate compounds.

REFERENCES:
patent: 2524484 (1950-10-01), Smith
patent: 3340001 (1967-09-01), Thornhill
patent: 4098720 (1978-07-01), Hwa
patent: 4210549 (1980-07-01), Hirozawa et al.
patent: 4234440 (1980-11-01), Hirozawa et al.

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