Vibrator Loader for Spectrograph Electrodes

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For several years the Spectrographic Laboratory of the Geological Survey of Canada has been making extensive use of jet-controlled direct current arc techniques for the analysis of varied types of geological samples. These methods require that samples be loaded into deep chimney type electrodes of one-eighth inch diameter graphite, with craters of various diameters, and depths ranging from one-half inch to one inch.

Document Type: Short Communication


Affiliations: Department of Mines and Technical Surveys, Geological Survey of Canada, Ottawa, Canada

Publication date: May 1, 1957

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