A heavy metal ion adsorbent represented by the following general formula: ##STR1## wherein l, m, and n are 2 or 3, respectively; R is an alkyl group containing 4 to 6 carbon atoms which is substituted by an amino group in the .omega.-position; and A is hydrogen or a synthetic resin.
一种重
金属离子吸附剂,其通式如下:##STR1## 其中,l、m和n分别为2或3;R是含有4至6个碳原子的烷基基团,在ω-位置被
氨基取代;A是氢或合成
树脂。