[交流] 【请教】溶解性差的大分子怎么培养单晶 已有3人参与

Originally posted by cfocus20 at 2010-12-30 12:40:06:
???x???????^???A??????????, ??????????????????????????^??????B, ???????]??y! ??????????????о??w????a??,????????????????????????????, B???????????????M??!!

Originally posted by cfocus20 at 2010-12-30 12:40:06:
???x???????^???A??????????, ??????????????????????????^??????B, ???????]??y! ??????????????о??w????a??,????????????????????????????, B???????????????M??!!

Originally posted by royalwang at 2010-12-29 16:42:42:


谢谢，我试试~主要是这个化合物常规的溶剂溶解性都很差，感觉不出来，谁好谁差，甲醇稍微好点吧。。。

Originally posted by cfocus20 at 2010-12-30 12:46:58:



不然可以試試以加熱方式溶解, 雖然有部分未溶解部份可以趁熱過濾後擺置溫差不大的地方慢慢回溫試試!!~單一溶劑養晶!!

Originally posted by royalwang at 2010-12-29 16:53:05:


嗯，好的，谢谢。冬天实验室开着通风橱，很冷的，热过滤不太好弄啊。。。

Originally posted by cfocus20 at 2010-12-30 13:37:53:



我指的趁熱過濾是可以將你的溶劑加熱後與化合物溶解或部分溶解, 直接在此時過濾即可!!

Originally posted by royalwang at 2010-12-29 23:06:36:


嗯，我知道，但是常压过滤的话，很快会冷却的。抽滤的话，得用热的抽滤瓶，不然室温太低，过滤完了，会直接析出来的，肯定不是晶体，对吧。