[實驗] 銅離子的除去
我最近在做click reaction,會用到CuSO4,但是純化產物時卻遇到一些困難:就是如何
除去銅離子(有一價和二價的混合物),因為我的compound對水的溶解度很大,不能使用
萃取,教授叫我試試過一段alumina的column(他的說法可以過濾掉銅離子),再過一段
silica gel 的column,把產物純化出來。但是我把我的compound拿去測NMR時,
發現還是有殘餘的銅離子在裡面。
想請問各位,還有什麼方法可以除去銅離子呢??
感謝
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