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移液管（）

单选题

2022-01-03 05:05

A、下端有一玻璃活塞，用以控制滴定过程中溶液的流出速度
B、可用刷子蘸取肥皂、洗衣粉、去污粉等洗涤剂直接刷洗
C、用于装碱性或具有还原性的滴定液
D、用于装碱性或具有氧化性的滴定液
E、洗净后置于防尘的盒中

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正确答案

试题解析

酸式滴定管用于装酸性或具有氧化性的滴定液。酸式滴定管下端有一玻璃活塞，用以控制滴定过程中溶液的流出速度。碱式滴定管用于装碱性或具有还原性的滴定液。碱式滴定管的下端用橡皮管连接一个带有尖嘴的小玻璃管。玻璃仪器的保管：①移液管洗净后置于防尘的盒中；②滴定管倒置夹在滴定管夹上。对一般玻璃仪器，如锥形瓶、烧杯、试剂瓶等可用刷子蘸取肥皂、洗衣粉、去污粉等洗涤剂直接刷洗。

标签：岗位技能主管药师

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