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yeetor

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[求助] 关于溶胶凝胶法 已有1人参与

今天看到了溶胶凝胶法,提到用无机盐、柠檬酸和聚乙二醇作为原料,不知道,柠檬酸和聚乙二醇的作用是什么?他俩作用相同吗?形成溶胶是靠柠檬酸还是聚乙二醇?谢谢!
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xiaoxususy: 金币+1 2014-06-29 10:26:38
用柠檬酸是起络合剂作用,形成金属离子络合物,是一种络合溶胶凝胶方法
乙二醇在柠檬酸溶胶体系中,有提供-OH基的作用,分散,溶剂等作用.
2楼2014-06-28 09:46:21
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