Abstract

Some applications of cathode-ray polarography in the field of oceanography have been discussed. Emphasis in this report has been placed on results of a preliminary study of the behavior of chloride ion, some trace elements, and dissolved oxygen in sea water. The advantages of rapidity, specificity, sensitivity, and adaptability to solid electrode systems and direct reading instrumentation for continuously recording these constituents found in sea water have been pointed out. It would seem that further research should extend the potentialities of cathode-ray polarography and other polarographic techniques in the field of chemical oceanography. Especially, the great advantage of in situ measurement, may at last be realized.

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