Pesticide residues. Determination of diuron in wheat
Parouchais, C.
Journal - Association of Official Analytical Chemists 56(4): 831-833
1973
ISSN/ISBN: 0004-5756 PMID: 4781288 Document Number: 60184
A simplified analytical procedure is described for the determination of diuron residues in a large number of wheat grain samples. The sample is subjected to Soxhlet extraction with acetone, the extract is dissolved in an acetone-aqueous phase (1+5) and then extracted with petroleum ether, and diuron is extracted into methylene chloride and carbon tetrachloride. Electron capture GLC is the determinative step, with ultraviolet spectrophotometry as an alternative technique.
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