Karl-Fischer Reagent

Details Karl-Fischer Reagent Karl-Fischer Reagent

1980-10-01

1982-09-28

Nucker, Christine M.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230R, G01N 3318

Patent

active

043517447

ABSTRACT:
There is disclosed a Karl-Fischer reagent which consists essentially of iodide, sulfur dioxide, pyridine and an alkylene carbonate of the formula: ##STR1## wherein R represents a hydrogen atom and a lower alkyl group. The reagent is superior in its high stability and a low iodine content.

REFERENCES:
patent: 2780601 (1957-02-01), Blomgren et al.
patent: 2967155 (1961-01-01), Blomgren et al.
patent: 3656907 (1972-04-01), Delmonte
patent: 3682783 (1972-08-01), Dahms et al.
patent: 3749659 (1973-07-01), Dahms et al.
patent: 4295990 (1981-10-01), Verbeek et al.
Analytical Chemistry, vol. 27, No. 3, Mar. 1955, pp. 450-453, Peters, E. D. and Jungnickel, J. L.
Anylytica Chimica Acta, vol. 94 (1977), pp. 395-403, Verhoef, J. C. and Barendrechte, E.

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