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移液器存在漏氣的原因分析

發布日期:2022-05-30 點擊率:33

  移液器作為實驗室常見的耗材之一,專門用來量測液體體積,并將其吸取以滴入其他容器。常使用于生物學實驗或化學實驗。在實驗過程中,如何檢測移液器是否存在漏氣呢?

  檢測方法

  1)目視法檢測:先使用需要檢測的移液器吸取液體,然后將其垂直靜置15秒,觀察有沒有液滴緩慢的流出。如果有液滴緩慢流出,就說明該移液器有漏氣現象。

  2)壓力泵檢測:使用專用的壓力泵,檢測壓力情況,判斷移液器是否漏氣。

  存在漏氣的原因分析

  1)首先,查看吸頭是不是匹配?推薦使用原裝匹配的吸頭。如果不是原裝匹配的吸頭,咨詢下廠商或代理商,看看自己使用的吸頭是否與所用的移液器匹配。

  2)其次,裝配吸頭的時候有沒有裝緊?很可能由于裝吸頭的時候沒有裝緊導致移液器漏氣。


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