Polarographic determination of diamide of azodicarboxylic acid in PVC pastes
As supporting electrolyte in the polarographic determination of diamide of azodicarboxylic acid (porofor) content in PVC pastes, sodium acetate, and as solvent — dimethylsulfoxide have been used. The effect of oxygen on the height of porofor wave has been investigated, the stability of the porofor solutions determined and precision and accuracy of the determination calculated. The analytical procedure has been proposed.
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