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[求助] 氢氧根质载有机多孔材料求助

看过一篇催化文献,把0H-负载在一种有机多孔材料上,类似于氢氧型阴离子交换树脂,自己合成前几步也是问题不大,关键是用NaOH和材料上的正丁基吡啶溴盐离子交换之后,检测到溴盐已经交换下来了,可是再用KCl溶液去反交换这种材料时没有任何碱性,大家有做过的么,一直找不到原因,这一步做了将近半年了,纠结死....
  金币是我全部的了,虽然不多,可是很有诚意
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