天气预报15天查询> 其他> 酸碱两用滴定管塞打不开怎么办

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

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-178337/ | 耗时:0.7286 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=178337 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=178337 LIMIT 0,1
select * from tbl_Articles_sphinx where id=178337 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1107505,1129655,330841,1068148,2805596,1087039,2714004,1057018,802482,2819432,197185,316737,122145,2879671,2422683,945610,1087935,1132293,1131443,1133303,1953852,1130744,1704620,1126098,313806,1808971,449362,1122759,205406,1128803) ORDER BY field (ArticleID,1107505,1129655,330841,1068148,2805596,1087039,2714004,1057018,802482,2819432,197185,316737,122145,2879671,2422683,945610,1087935,1132293,1131443,1133303,1953852,1130744,1704620,1126098,313806,1808971,449362,1122759,205406,1128803)