Acid-base strengths in 1,2-dichloroethane


Bos, M. and Dahmen, E.A.M.F. (1973) Acid-base strengths in 1,2-dichloroethane. Analytica Chimica Acta, 63 (1). pp. 185-196. ISSN 0003-2670

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Abstract: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.
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Copyright:© 1973 Elsevier Science
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