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Abstract

Electrical Conductivity of s-Acetylthiocholine Halides and Perchlorate in Methanol at 35°C

The conductance data of s-acetylthiocholine halides and perchlorate in methanol solution at 35°C are presented. The data were analyzed using the Fuoss-Onsager equation to obtain the charachteristic parameters: equivalent conductance at infinite dilution Λ◦, the closest distance of approach (solvation) a◦ and association constant KA. The trend of KA is discussed in the light of the solvent separated-ion pair model. The electrostatic Stokes' radii R+ and R- are calculated and their sum is compared with the value of a°.


Author(s): Nasr H. El-Hammamy, Aida I. Kawana, Marwa N.El-Hammamy and Heba M. Moharem

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