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technical article
Correct way to deal with mercury column fracture
2011-10-13 8:24:02

     什么样的 水银温度计 ,在使用的过程中难免会出现水银柱断裂的现象 No matter what kind of mercury thermometer , in the process of using it will inevitably occur the phenomenon of mercury column fracture . 水银处理不当 对人体 产生 危害,因此当水银温度计的水银柱出现断裂 的时候 ,需要有正确的处理方法,以下 简单介绍两种方法: Improper handling of mercury can cause harm to the human body . Therefore, when the mercury column of the mercury thermometer breaks , you need to have the correct treatment method. Here are two methods:  

    热修法 First , hot repair method     温度略高于测量上限的恒温槽中,使水银断裂 部分与整个水银柱连接起来, 然后 缓慢 取出 水银温度计 ,在空气中逐渐冷至室温。 Insert the thermometer slowly into a thermostatic bath with a temperature slightly higher than the upper limit of measurement, connect the part where the mercury is broken to the entire mercury column, then slowly take out the mercury thermometer and gradually cool it to room temperature in the air.
冷修法 Second , cold repair method     干冰混合液中进行冷缩, 但是需要注意的是 温度不得超过 -38 使 毛细管中的水银全部收缩到测温包中为止。 Insert the thermometer 's temperature measurement package into the alcohol and dry ice mixture to perform cold shrinkage, but it should be noted that the temperature must not exceed -38 , so that all the mercury in the capillary will shrink to the temperature measurement package.
水银温度计 水银柱断裂的方式, 应该 根据我们的实际情况,选择 合适 处理 方式,以达到最理想的效果 The above two methods of handling mercury column fractures of mercury thermometers should be selected according to our actual conditions to achieve the best results .