Removal of heavy metals salts from di:carboxylic acids, esp. adipic acid

摘要

Dicarboxylic acids are freed from heavy metal salts and opt. from organic impurities by extn. with a soln., in a hydrophobic solvent, or a reagent chemically binding the metal salt or the metal ion, opt. after removing the organic impurity by extn. with a hydrophobic solvent.