最好的树脂至少包含一个酸性组和更多的最好至少一羧酸组。
Preferably the resin contains at least one acidic group and more preferably at least one carboxylic acid group.
结果表明，弱碱性树脂d 301g可以提供较高的吸附量，在有机羧酸和水之间具有较好的选择性。
Results show that weakly basic resin D301G can provide high uptake capacity and high selectivity for acid over water.
分析了该树脂的溶胶、凝胶质量分数，羧酸根（—COOH）的摩尔分数。
The percentage composition of colloidal sol-gel and molar percentage of carboxyl group(—COOH) of the resin were analyzed.
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