Quantitative method for detecting 3-isothiazolones

Details Quantitative method for detecting 3-isothiazolones Quantitative method for detecting 3-isothiazolones

1975-06-04

1976-08-17

Yudkoff, Norman

Chemistry: physical processes

Physical processes

Crystallization

23230M, 252408, 260302A, 260304A, 260561S, G01N 3106, G01N 3122, G01N 3320

Patent

active

039751554

ABSTRACT:
Quantitative analytical method for the isolation and determination of 3-isothiazolones in aqueous or nonaqueous media. The method involves isolating the isothiazolone by adsorbing it on a support; treating the isothiazolone with a reducing agent thereby cleaving the ring; reacting the resulting sulfhydryl group with a color forming reagent whose color development is directly proportional to the concentration of the isothiazolone and measuring the isothiazolone concentration via a calibrated color comparator or colorimeter.

REFERENCES:
patent: 3106458 (1963-10-01), Grosskopf et al.
patent: 3597160 (1971-08-01), Grassetti
patent: 3698866 (1972-10-01), Grassetti et al.
patent: 3718432 (1973-02-01), Roth
patent: 3755512 (1973-08-01), Bayer et al.
Hendrickson et al., "Organic Chemistry" 3d ed. McGraw-Hill Book Co. p. 745 (1970).

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