Abstract
This paper presents a quantitative separation scheme for 18 common inorganic ions, the separations being obtained by ion exchange chromatography. The scheme predicts, on the basis of the values of the distribution coefficients in hydrochloric acid, the order of adsorption of ions giving anionic chloride complexes on anionic resin columns and the order of adsorption of the remaining ones on cationic resin columns. Consequently, employing eluents chiefly composed of hydrochloric acid — or in a few cases, different eluents, also containing compounds not interfering with the following quantitative determinations — ions are separately eluted from both types of column. The volumes by which ions are quantitatively eluted in samples containing up to 0.1 meq of each ion, are given. The results are satisfactory both for their reproducibility and the quantitative recovery.
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