Methode zum nachweis von rückständen der insektizide acephat, dimethoat, methamidophos und omethoat in kleinen nektarmengen |
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Authors: | Wilhelm Drescher Lothar Fiedler |
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Abstract: | A gas chromatographic method for the determination of the insecticides acephate, dimethoate, methamidophos and omethoate in small amounts of nectar has been developed. By the use of a miniaturized extraction technique and a nitrogenphosphorus selective detector (NPD) residues down to 0.005 – 0.01 ppm could be detected in a sample size of 1 g. Because of the low content of co-extractives in nectar and the use of a highly selective detector a clean-up of the extracts was not necessary. |
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