Method of reduction employing resin adsorbents

Details Method of reduction employing resin adsorbents Method of reduction employing resin adsorbents

1976-06-01

1978-08-29

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260561S, 260690, 252426, C07B 100, C07C10322

Patent

active

041103785

ABSTRACT:
This invention relates to a 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
patent: 3159632 (1964-12-01), Sargent
patent: 3172887 (1965-03-01), Bondi
patent: 3351487 (1967-11-01), Levine et al.
patent: 3718432 (1973-02-01), Roth
patent: 3935294 (1976-01-01), Teller

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