Chemistry: physical processes – Physical processes – Crystallization
Patent
1980-05-15
1981-11-17
Turk, Arnold
Chemistry: physical processes
Physical processes
Crystallization
23904, 23932, 252408, 422 56, G01N 3382
Patent
active
043009050
ABSTRACT:
Compositions and methods for rapidly determining ascorbic acid in aqueous solutions, consisting of an absorbent carrier containing 2,18-phosphomolybdic acid, an aliphatic hydroxycarboxylic acid buffer to adjust the test to pH 2.5 to 5.0, and an alkali chlorate; process for the preparation of such tests.
REFERENCES:
patent: 3771964 (1973-11-01), Fader
patent: 3825411 (1974-07-01), Morin
The Merck Index-8th Edition, Merck & Co., Rahway, N.J., 1968, p. 640.
Bleisteiner Manfred
Rittersdorf Walter
Wielinger Hans
Boehringer Mannheim GmbH
Turk Arnold
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