Method of visually detecting antioxidant in an organic mixture

Details Method of visually detecting antioxidant in an organic mixture Method of visually detecting antioxidant in an organic mixture

1980-01-21

1981-03-24

Marcus, Michael S.

Chemistry: physical processes

Physical processes

Crystallization

23230R, 210656, G01N 3106, G01N 3108

Patent

active

042577764

ABSTRACT:
Method of screening a mixture of organic compounds to detect the presence of an antioxidant material wherein the organic mixture is first chromatographically separated on a polyamide coated plate and then coated with linoleic acid. The plate is heated until the linoleic acid oxidation products react with the free amine groups on the polyamide material to produce a color change. Antioxidant compounds separated on the plate inhibit the color change and can be visually detected.

REFERENCES:
Modern Plastics Encyclopedia, 1968-1969, p. 506.
Chemical Abstracts: 67:34066z; 68:18469y; 83:180720e; 73:91166e; 78:41482n; 0:57596e; 88:69877a.

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