Abstract

A series of dithiocarbamate-based fungicides was investigated by thermogravimetry and differential thermal analysis. The differences in the thermal decompositions of various dithiocarbamate derivatives were traced to differences in their structures. The characteristic sections of the thermogravimetric curves of the group of fungicides based on ethylene-bis-dithiocarbamates of bivalent metal ions were established. On the basis of the differences in the shapes of the T and TG curves some fungicides can be identified. A group-method was developed for the quantitative determination of the active ingredient in fungicides based on the ethylene-bis-dithiocarbamates of bivalent metals, the characteristic shape of the TG curve being utilized for analytical purposes.

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