Add time:07/22/2019 Source:sciencedirect.com
When a mixed solution of 0.72 M potassium and sodium chloride was eluted from a SEPHADEX G-15 (cas 11081-40-6) column with 0.025 M sodium phosphate buffer (pH 7.0), the elution profiles of ions showed that the potassium and chloride ion pair from the sample and the sodium and chloride ion pair produced by ion-exchange reaction, were eluted in the same fractions as if they constituted a complex. When a mixed solution of different concentrations of potassium and sodium chloride was eluted with the same buffer, the excess amount of one ion pair over the other was eluted freely from the presumed complex.
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