U.S. Department of Agriculture: Agricultural Research Service, Lincoln, Nebraska

 

Document Type

Article

Date of this Version

4-1963

Citation

Moats, William A. 1963. One-step chromatographic cleanup of chlorinated hydrocarbon pesticide residues in butterfat. II. Chromatography on florisil. Reprinted from the Journal of the Association of Official Agricultural Chemists, Vol. 46, April 1963.

Comments

U.S. government work.

Abstract

The procedure for chromatography on Florisil was modified by using methylene chloride-petroleum ether mixtures to improve separation of insecticides from fat. Combined with paper chromatography, it provides a screening procedure for insecticide residues in dairy products that is comparable in speed and simplicity to total chloride methods but is of superior sensitivity.

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