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Abstract
A procedure has been developed for the microdetermination of ferbam (ferric dimethyldithiocarbamate) after extraction of its selenium dimethyldithiocarbamate complex into chloroform. The maximum absorbance is at 430 nm; Beer's law is obeyed over the ferbam concentration range of 1.0–28.0 μg ml−1 in the extract. The method is sensitive, selective and can be safely employed for the determination of ferbam in commercial samples, and synthetic mixtures containing nabam, zineb and maneb.