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酸碱两用滴定管塞打不开怎么办
更新时间: 2020-09-23 00:00:00  

打不开是因管塞操作方法和质地造成的,以下为两种解决方法:

1、若滴定管的塞子是玻璃材料的则需要向管塞处涂油;

2、如果是聚四氟乙烯塞子,管塞漏水则不能涂油,需要拧紧塞子侧面的螺帽。因为涂油之后经过一段时间,管塞会因油的粘合而导致无法打开。

关键词: 酸碱 两用 滴定管 怎么办

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