过滤时,滤液过多而超出滤纸边缘或滤纸被划破怎么办?麻烦具体说说(兼理由)直接解释下:可用少量原溶剂冲洗漏斗和滤纸2到3次,原滤液连同洗液重新进行过滤.
来源:学生作业帮助网 编辑:六六作业网 时间:2024/09/02 23:05:44
过滤时,滤液过多而超出滤纸边缘或滤纸被划破怎么办?麻烦具体说说(兼理由)直接解释下:可用少量原溶剂冲洗漏斗和滤纸2到3次,原滤液连同洗液重新进行过滤.
过滤时,滤液过多而超出滤纸边缘或滤纸被划破怎么办?麻烦具体说说(兼理由)
直接解释下:可用少量原溶剂冲洗漏斗和滤纸2到3次,原滤液连同洗液重新进行过滤.
过滤时,滤液过多而超出滤纸边缘或滤纸被划破怎么办?麻烦具体说说(兼理由)直接解释下:可用少量原溶剂冲洗漏斗和滤纸2到3次,原滤液连同洗液重新进行过滤.
这样会使部分浑浊液从滤纸和漏斗内壁之间流下,使滤液还是浑浊的,所以要重新做过滤器,再次过滤,为了不损失原物质,可用少量原溶剂冲洗漏斗和滤纸2到3次,再将原滤液连同洗液一同进行过滤.
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