Abstract
A simple and rapid method for simultaneous determination of 10 kinds of organochlorine insecticides (ß-BHC, heptachlor, heptachlor epoxide, aldrin, dieldrin, endrin, p,p′-DDT, p,p′-DDE, p,p′-DDD, t-chlordane) in beef was established. The pesticides were extracted from samples with acetone hexane (3:1) mixture, and purified by Florisil column chromatography, then determined by use of a gas chromatograph equipped with an electron capture detector (ECD-GLC). Recoveries of the 10 pesticides added to beef at 0.02 ppm and 0.1 ppm were within the range of 63.9 - 89.0% and 76.8 - 90.5% by the proposed method, respectively. One hundred and twenty six samples of Australian beef received at the Osaka and Kobe quarantine stations from August to December in 1987 were analyzed, and only one sample was over the limit of dieldrin (+aldrin) referring to Japanese temporary tolerance.
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