A study of 1,2-dibromoethane residues in wheat and milled products |
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Authors: | Jiwan S Sidhu M Muthu Gurcharan S Bains |
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Abstract: | A method is described for determining residues of 1,2-dibromoethane (EDB) in milled wheat products. The residues are first extracted with benzene, then recovered azeotropically for reaction with alkali and subsequent determination of liberated bromide ion by a Volhard titration. Freshly milled flours from wheat fumigated with 65.0 and 325 mg EDB/litre at 37°C were found to contain 10.6 to 39.4 mg EDB/kg and the bran contained from 51.4 to 153 mg EDB/kg. |
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