Issue 1092, 1967
From the journal:

Analyst

A thin-layer chromatographic screening test for organophosphorus pesticide residues

D. C. Abbott,   A. S. Burridge,   J. Thomson  and  K. S. Webb  

Abstract

A procedure is proposed for use as a screening test for the presence of traces of organophosphorus pesticides in vegetable tissue. The compounds are extracted with dichloromethane and the extracts are cleaned-up on silicagel chromatoplates developed with hexane-acetone solution, 5 + 1. Eluted compounds are then oxidised with ammonium persulphate or a nitric acid-perchloric acid mixture for phosphorus determinations by molybdenum-blue procedures. Good recoveries are reported from a range of crop samples. Mobile solvents required for the clean-up of some polar pesticides and metabolites on multi-band chromatoplates are also listed.

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Article information

DOI
https://doi.org/10.1039/AN9679200170
Article type
Paper

Analyst, 1967,92, 170-175

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A thin-layer chromatographic screening test for organophosphorus pesticide residues

D. C. Abbott, A. S. Burridge, J. Thomson and K. S. Webb, Analyst, 1967, 92, 170 DOI: 10.1039/AN9679200170

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