Rapid test for ascorbic acid determination
AssigneeBoehringer Mannheim GmbH
InventorsManfred Bleisteiner, Walter Rittersdorf, Hans Wielinger
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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.
Claims15
Rapid test device for the determination of ascorbic acid consisting of an absorbent carrier impregnated with a phosphomolybdate selected from alkali salts of 2,18-phosphomolybdic acid, an organic acid selected from aliphatic hydroxycarboxylic acids, and an alkali chlorate said device exhibiting a pH value of 2.5 to 5 when moistened with water.
Dependencies are inferred from the claim text.