Abstract
AbstractThis investigation demonstrates how mixtures of glycerol trinitrate, diethyleneglycol dinitrate, 2,4‐dinitrotoluene, 2,4,6‐trinitrotoluene, nitroguanidine, dibutyl phthalate, diethyl phthalate, cyclotrimethylene trinitramine (hexogen) and cyclotetramethylene tetranitramine (octogen) in powders and explosives can be analysed by differential pulse polarography. The analysis of, for example, glycerol trinitrate, 2,4‐dinitrotoluene and 2.4,6‐trinitrotoluene in powder is made as a three‐component system with overlapping polarograrns, while the analysis of dibutyl phthalate, nitroguanidine and glycerol trinitrate in powder is made as three independent single component systems.The polarographic reduction of organic compounds is effected both by the composition of the solvent and its pH value. By careful choice of the experimental conditions it is often possible to obtain sufficiently differing forms of differential pulse polarograms for the various compounds, which can be exploited for analytical purposes. Various water! methanol solutions have been studied to find the mixtures that give the greatest differences in the polarograms. The effect of ammonium acetate and tetramethyl ammoniumbromide as electrolyte has been studied.
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