Process for determining thiols using chromogenic benzoisothiazol

Details Process for determining thiols using chromogenic benzoisothiazol Process for determining thiols using chromogenic benzoisothiazol

1991-02-25

1993-02-16

Housel, James C.

Chemistry: analytical and immunological testing

Sulfur containing

436120, 436164, 546159, 548181, G01N 2178

Patent

active

051871050

ABSTRACT:
A process for measuring the presence or appearance of thiols in aqueous system, the process involving contacting the aqueous system with a chromogenic thiol indicating benzoisothiazolone derivative and then observing chromophoric changes due to thiol mediated reduction of the benzoisothiazolone derivative wherein the changes are proportional to the amount or rate of appearance of the thiols in the aqueous system.

REFERENCES:
patent: 3862955 (1975-01-01), Grivas
patent: 3975155 (1976-08-01), Geyer
patent: 4156729 (1975-05-01), Boshagen et al.
Pomic et al. I, Chemical Abstracts, vol. 60, No. 2912h (1964).
Pomci et al. II, Chemical Abstracts, vol. 61, No. 3088h (1964).
Ponci et al. III, Chemical Abstracts, vol. 61, No. 6299h (1964).

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