Chemistry: physical processes – Physical processes – Crystallization
Patent
1979-02-02
1981-02-24
Adee, John
Chemistry: physical processes
Physical processes
Crystallization
210656, B01D 1508
Patent
active
042525373
ABSTRACT:
Disclosed is a liquid chromatography process for the quantitative determination of nitro-amines and nitro-aromatics in liquid samples, which comprises directly injecting a liquid sample containing these compounds onto a liquid chromatography column, separating the compounds on the column by elution, and then monitoring the ultra-violet absorbance of the resulting eluant. The instant process finds particular application in the quantitative detection of munitions, such as HMX, RDX, TNT, and their degradation products, in aqueous effluent streams.
REFERENCES:
patent: 3884802 (1975-05-01), Spaans
patent: 4108604 (1978-08-01), Heller
patent: 4157299 (1979-06-01), Landownr
The Determination of Selected Munitions and Their Degradation Products Us High Performance Liquid Chromatography by Meier et al., Published by the American Chemical Society from 4th Joint Conference of Sensing of Envioronmental Pollutants, Published Mar. 1, 1978, Conference Nov. 6-11, 1977.
Introduction to Modern Liquid Chromatography by Snyder and Kirkland, John Wiley and sons, N.Y., N.Y., pp. 142-144, 200-203, 227-229, 469 and 198.
Thin Layer Chromatography an Annolated Bibliography, 1964-1968, pp. 142-145, by Haywood, Ann Arbor Science Publishers, Ann Arbor, Mich., 1968.
Cattran Doris E.
Graffeo Anthony P.
Stanford Thomas B.
Adee John
Bellamy Werten F. W.
Gapcynski William G.
Spechler Arthur I.
The United States of America as represented by the Secretary of
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