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清洗试管方法
更新时间: 2021-05-07 00:16:01  

1、先倒净试管内的废液。

2、再注入半试管水,振荡后把水倒掉,再注入水,振荡后再倒掉,这样连洗几次。

3、如果内壁附有不易洗掉的物质,要用试管刷刷洗.刷洗时须转动或上下移动试管刷,但用力不能过猛,以防试管损坏。

4、洗过的玻璃仪器内壁附着的水既不聚成水滴,也不成股流下时,表示仪器已洗干净。洗净的玻璃仪器应放在试管架上或指定的地方。

关键词: 清洗 试管 方法

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