FIFTEEN years age Prof. J. Heyrovský, of the Charles University of Prague, described a polarographic apparatus with the dropping mercury cathode which he used for showing the presence of certain ...

SKERMAN1, using a recording polarograph, reported that an actively growing culture of Pseudomonas was saturated with oxygen, only when the broth was agitated by a stirrer revolving at 500 r.p.m ...

ARTERIAL oxygenation during apnea may now be studied with greater accuracy. The recent development of the polarograph 1–3 has made it possible to obtain direct arterial-oxygen-tension ...

Polarograph is the device’s name; quick, precise qualitative and quantitative chemical analysis is its purpose. It can tell the nature and constituents of a substance in from three to five minutes.