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瓶口分液器进阶使用技巧，轻松学会！

时间:2026-2-2 10:08:48作者:admin1

如何让瓶口分液器【更上一层楼】

在化学实验室中，瓶口分液器是提升分液效率、保障操作安全的核心工具，能让强酸、强碱等高风险试剂的移液操作，变得更安全、更精准、更便捷。

但实验室高手都知道，想让瓶口分液器发挥长效精准性能，还需要给它搭配一件 “防护搭档”——专用干燥管。

今天，我们就以VITLAB^®genius²瓶口分液器为例，解锁这个常被忽略却至关重要的进阶技巧。

PART.1

从瓶口分液器的工作原理说起

瓶口分液器的吸液过程，需要通过通气口吸入少量空气平衡瓶内压力。

但如果分装的是强酸或强碱试剂，实验室空气中的水蒸气、二氧化碳会随空气进入试剂瓶，引发三大问题：

1：酸液浓度漂移：空气中的水分会稀释强酸溶液，直接影响实验配比精度，导致实验结果重复性差。

2：碱液污染变质：二氧化碳与强碱溶液反应生成碳酸盐沉淀，不仅污染试剂，还会改变溶液浓度，造成实验误差。

3：设备堵塞故障：反应生成的结晶或沉积物会附着在活塞腔内，导致活塞卡顿、操作失灵，缩短分液器使用寿命。

PART.2

专业解决方案：选配专用干燥管

干燥管如同一个“空气净化器”，安装在分液器的通气口。它内部的干燥剂（如硅胶、碱石灰等，根据试剂性质选择）能有效吸附空气中的水分或二氧化碳，确保进入瓶内的空气不含有影响试剂浓度和纯度的组分，从而防止上述现象发生。

划重点：以下试剂分装时，务必搭配干燥管！！！

硝酸≤60%、盐酸≤37%、硫酸≤98%、氢碘酸≤57%

氢氧化钠水溶液≤30%、氢氧化钾水溶液≤50%

PART.3

干燥管安装教程

观看下方视频迅速了解干燥管安装方法

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掌握干燥管搭配技巧，不仅能保障试剂纯度与实验数据精准，更能延长瓶口分液器的使用寿命。

如果您想体验VITLAB® genius²瓶口分液器的精准性能，欢迎联系我们申请试用！

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