X. Fu et al., STUDY ON THE SODIUM-SALTS OF ORGANO-PHOSP HORIC ACID EXTRACTANTS AND THEIR MICROEMULSIONS BY NMR AND FTIR SPECTROSCOPY, Huaxue xuebao, 53(2), 1995, pp. 178-182
Five sodium salts with more than 97% saponified level of alkyl-phospho
ric (phosphonic, phosphinic) acid extractants and their microemulsions
have been prepared and studied by NMR and FTIR spectroscopy. The effe
ct of hydration of cation and anions have been observed and the effect
of anionic structure on the hydration has been discussed.