Karl-Fischer reagent and procedure for the determination of wate

Details Karl-Fischer reagent and procedure for the determination of wate Karl-Fischer reagent and procedure for the determination of wate

1983-02-14

1985-10-29

Turk, Arnold

Chemistry: analytical and immunological testing

Determination of water

By use of a karl fischer reagent

204 1T, G01N 3318

Patent

active

045500835

ABSTRACT:
A Karl Fischer reagent useful in the determination of water, comprises sulfur dioxide, iodine and a salt which is a system compatible addition compound of a nitrogen-containing organic base having a pK.sub.b <10 with a weak aromatic carboxylic acid having a pK.sub.a >2.

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patent: 4416997 (1983-11-01), Fischer et al.
patent: 4429048 (1984-01-01), Scholz
Smith et al., J.A.C.S. 61, 2407, (1939).
Johansson, Anal. Chem. 28, 1166, (1956).
Verhoef et al., Anal. Chem. Acta 94, 395, (1977).

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