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Abstract

Boiling Point Determination Apparatus

Author(s): Jennifer Stewart

The apparatus described here makes it easier to determine the typical boiling point of a sample of around one-third ml. of any liquid that does not attack mercury or glass, in the range of 30 to 200°C. There are no computed corrections for variations in atmospheric pressure or for emergent thermometric columns, and superheating is not necessary because the approach is static.The operation is quick, and the equipment is easy to use, clean, and charge. This approach may be used to find the boiling points of mixtures that change composition during distillation just as easily as it can be used to estimate the boiling points of pure liquids or azeotropes.


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