Abstract
An improved gas extraction, collection, pressure measurement and calculation apparatus is described for use in the vacuum fusion method. It is designed for routine analysis and versatility in research investigations. The time required for gas collection is 1–2 min, including 15–60 sec for gas extraction. The total time required for a complete analysis is 7–9 min. The operating blank is 0.01–0.03 ml 30 min at 1850°. Analysis of 20 or more samples can be made in 8 hr, including loading, outgassing and gas analysis. A description is given of a newly designed gas extraction recording system for studying the optimum conditions for determination of gases in metals of current interest.
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