| 1. | Four types of starch derivatives containing azo groups were used in removal of some metal ions from their solutions , and the different factors affecting metal ions adsorption on these copolymers , such as ph , metal ion concentration , types of starch derivatives , treatment time and temperature was premarily studied at first 摘要合成了4种偶氮化合物与淀粉的接枝共聚物的不溶性树脂,首次用以吸附二价金属离子,研究了其静态吸附量以及各种相关因素对吸附的影响。 |