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Determination of residues of the isomers of 1,2,3,4,5,6-dexachlorocyclohexane in milk fat by gas chromatography

J. Uhnák, M. Sackmauerová, A. Szokolay, and A. Maďarič

Forschungsinstitut für Hygiene, 882 Ol Bratislava

 

Abstract: The following Si compds. were tested as stationary phases for the sepn. of the α, β, γ, and δ isomers of HCH: XE-60, DOW-11, OV-17, and QF-1. The best sepn. was obtained on a column contg. a mixed filling of 1.5% OV-17 and 2% QF-1 on Chromosorb W. On this column the above-mentioned isomers as well as DDT and its metabolites can be sepd. The std. deviation of this method was 0.017-0.004 mg/kg. The variation coeff. was 3.00-10.42%. Various condensation procedures applied to the exts. and eluates obtained after purification of the samples were tested with respect to yield of the 4 isomers of HCH. A yield of 85.6-98.5% for each isomer was achieved with the std. condensation method.

Full paper in Portable Document Format: 271a128.pdf (in German)

 

Chemical Papers 27 (1) 128–134 (1973)

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