Thermometer Safety Breakage can be minimized and safety maximized if a serum-sleeve-type rubber stopper is suhstituted for the regular stopper when used to s e a distillation flasks employed in general chemistry 1a.hharatories. A cork borer can he used to out an undersized opening in the septum to accomodttte the thermometer. This type of stopper is flexible enough to provide a. goad seal snd also allows for easy insertion, withdrawal, and height adjustment of the thermometer.
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Jourwl o f Chemical Education
