Stable colloid solution and method of making same

Details Stable colloid solution and method of making same Stable colloid solution and method of making same

1976-02-13

1977-10-04

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

106208, 106 15R, 424131, 252316, 252380, C23F 726, C08B 3700

Patent

active

040522318

ABSTRACT:
Aqueous solutions of xanthan gum hydrophilic colloid, that would otherwise support microbial growth, are preserved with chromic acid. The solutions should be at a pH above 3, and contain minimal amounts of reduced forms of chromium, if any, so that they will be storage stable not only against microbial growth, but also against gel formation.

REFERENCES:
patent: 3553034 (1971-01-01), Harvey et al.
patent: 3671331 (1972-06-01), Malkin et al.
patent: 3687739 (1972-08-01), Kennedy et al.
patent: 3907608 (1975-09-01), Barrett et al.
Moraine et al., "Kinetics of Xanthan Fermentation", Chemical Abstracts, vol. 78: 134477e.

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