Abstract
In order to gain some information on the role that chemical reaction may play in differential ionic movement, paper chromatograms of the inorganic cations Ag +, Pb +2, Hg +2, CU +2, Cd +2, Bi +3, Zn +2, Co +2 and Ni +2, were developed using alcoholic KCN as solvent. This solvent was chosen since it was capable of reacting with the cations to form both a sparsely soluble metal cyanide and a soluble cyanide complex. An examination of these chromatograms indicated that variation of either the concentration of cyanide in the solvent or the concentration of the cation in the solute, resulted in widely differing R F values. The area of the developed spot also varied with different ratios of these two variables. It was then calculated that the R F value and the area of spot were functions of the relative amounts of metallic cyanide and cyanide complex formed by chemical reaction.
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