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Abstract
Electrical conductivity of s-acetylthiocholine halides and
perchlorate in 2-propanol at 25Ã?â??Ã?°C
Nasr H. El-Hammamy, Aida I. Kawana, Marwa N. El-Hammamy and Heba M. Moharem
The conductance of s-acetylthiocholine halides and perchlorate has been measured in 2- propanol at 25°C. The data were analyzed using the Fuoss-Onsager equation for 1:1 associated electrolytes and the characteristic functions, ΛÃ?¢Ã?â??Ã?¦ (equivalent conductance at infinite dilution), aÃ?¢Ã?â??Ã?¦ [contact distance of approach (solvation)] and KA (association constant) were computed. KA values were analyzed on the basis of the solvent separated-ion pair model. The electrostatic Stokes' radii (R++ R-) were calculated and their sum was compared with the value of a° confirming the above model.
