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 ...

Electroanalytical chemistry, the use of oxidation-reduction reactions and other charge-transfer phenomena to analyze samples, traces its origins back at least eight decades. It's one of the ...

The Carnegie Endowment for International Peace considered a Czech electrical device for analyzing chemicals so highly useful that it imported the inventor last week, let him pause only briefly in ...

PHYSICAL methods of analysis, such as by the use of the polarograph or the spectrograph, are particularly suited to the determination of minute quantities of impurities in zinc and its alloys. A panel ...