Apparatus for Triple Distillation of Mercury

An automatic single-stage mercury still is described by Cannon (£). The present author has found that by connection of three mercury-diffusion pumps ...
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Apparatus for Triple Distillation of Mercury E. L. WHEELER Chemistry Laboratories, University of Calijornia, Los Angeles, Cali$. ratus rrquires no attention and may he left running overnight when the mercury is especially dirty.

l \ T S minute traces of foreign metals cause striking changes in the physical properties of mercury and interfere n