Comparative Study of Uni-Univalent H&lt;sup&gt;+&lt;/sup&gt;/Na&lt;sup&gt;+&lt;/sup&gt; and Uni-Bivalent H&lt;sup&gt;+&lt;/sup&gt;/Ca&lt;sup&gt;2+&lt;/sup&gt; Ion Exchange Reactions Using Nuclear Grade Resin Indion-223
International letters of chemistry, physics and astronomy