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xuemeng111

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[求助] 液相吸滤头清洗 已有1人参与

清洗液相吸滤头的异丙醇是分析纯还是色谱纯?也有说用5%硝酸超声清洗,可以吗?
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longyi706565

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xuemeng111: 金币+5, ★★★很有帮助 2015-01-29 16:24:11
溶剂瓶过滤头??
异丙醇最好用色谱纯
过滤头有2种,一种玻璃的,一种金属的,玻璃的用稀硝酸泡,不能超声。金属的用异丙醇-水交替超声,不能用稀硝酸处理。
2楼2015-01-29 16:14:08
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布宜诺斯880

银虫 (小有名气)

引用回帖:
2楼: Originally posted by longyi706565 at 2015-01-29 16:14:08
溶剂瓶过滤头??
异丙醇最好用色谱纯
过滤头有2种,一种玻璃的,一种金属的,玻璃的用稀硝酸泡,不能超声。金属的用异丙醇-水交替超声,不能用稀硝酸处理。

请问一下为什么不能超声呢?求原因
3楼2015-10-12 17:02:46
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