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  • 1 Institute of Chemical Technology Prague Czechoslovakia
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Abstract  

The results of the extraction of HCl by TDPO in benzene and the co-extraction of water are discussed. From the infrared spectra of normal (HCl-H2O) and deuterated (DCl-D2O) systems it may be concluded that TDPO·HCl·H2O is formed in the organic phase on extraction from aqueous solutions with cHCl≤5M, and TDPO·HCl with cHCl>5M. Compounds such as TDPO·2HCl are found in the organic phase if there is an excess of HCl in the organic phase. From cryoscopic and viscosity measurements of the organic phase, conclusions can be made about the presence of polymeric compounds in this phase.