Karl-Fischer reagent and process for the determination of water

Details Karl-Fischer reagent and process for the determination of water Karl-Fischer reagent and process for the determination of water

1985-02-27

1987-10-27

Richman, Barry S.

Chemistry: analytical and immunological testing

Determination of water

By use of a karl fischer reagent

204 1T, G01N 3318

Patent

active

047030143

ABSTRACT:
A Karl-Fischer reagent useful in a process for the determination of water contains a pyridine substitute, sulfur dioxide and iodine. As the pyridine substitute, the reagent contains at least one compound from the group comprising the guanidines, amidines, imido-esters, isoureas, cyanamide, or salts thereof with a weak organic acid.

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patent: 3974258 (1976-08-01), Poitevin et al.
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patent: 4146454 (1979-03-01), Haber
patent: 4378972 (1983-04-01), Scholz
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patent: 4416997 (1983-11-01), Fischer et al.
patent: 4429048 (1984-01-01), Scholz
patent: 4550083 (1985-10-01), Fischer et al.
Anal. Chim. Acta 94, 395 (1977).

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