Abstract
The electric conductivities of aqueous solutions of the lithium, sodium, potassium and ammonium salts of cyclohexylsulfamic acid were measured from 5 to 35 ∘C (in steps of 5 ∘C) in the concentration range 3 × 10−4 < c/mol-dm−3 < 0.01. Data analysis based on a chemical model of electrolyte solutions yielded the limiting molar conductance Λ ∞ and the association constant KA. Using the known values of the limiting conductances of lithium, sodium and potassium ions, the limiting conductances of the cyclohexylsulfamic ion were evaluated. Total dissociation of the investigated salts in water and negligible hydration of the cyclohexylsulfamate anion are evident.
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