Acid-base strengths in 1,2-dichloroethane

M. Bos, E.A.M.F. Dahmen

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    The pKa value of hydriodic acid in 1,2-dichloroethane was determined from conductivity measurements. A glass electrode was calibrated for dichloroethane in the potentiometric titration of hydriodic acid with tetramethylguanidine. From potentiometric titrations, the pKa values in dichloroethane of hydrobromic acid, hydrochloric acid, picric acid and some sulfonphthaleins as well as some protonated nitrogen bases were determined. In the curves of the titrations of the carboxylic acids and the hydrogen halides with TMG, evidence was found for the formation of the complex B(HX)2.
    Original languageEnglish
    Pages (from-to)185-196
    JournalAnalytica chimica acta
    Issue number1
    Publication statusPublished - 1973


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