Abstract
A convenient and accurate method is described for the analysis, in the same sample solution, of mixtures containing amines and dithiocarbamates. The mixture solution in dimethylformamide is treated with an excess of phenyl isothiocyanate whereby amines are converted to the corresponding substituted thioureas. Non-aqueous redox titration of dithiocarbamate with iodine monobromide followed by decomposition of thiuram disulphide with an acid, and subsequent aqueous redox titration of the substituted thiourea, enable the mixture to be analysed for both components.
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