| 摘要 |
<p>PURPOSE:To separate and recover the objective substance, by extracting the cation or anion to be separated from the aqueous solution contnaining the above cation, etc. into organic phase with the organic solvent having the exchangeability with cation or anion and immiscible with water, and thereafter, by mixing again with aqueous phase and extracting reversely into the aqueous phase.</p> |
