Summary
Apparatus and a procedure are described for preparing nitrogen samples for spectrometric analysis. The apparatus is a modification of Rittenberg's with major changes being a break-seal for collecting the sample and a voltmeter-galvanometer complex for measuring the vacuum. Replicate samples with low contamination can be prepared rapidly.
References
Dushman, S., Scientific Foundations of Vacuum Technique. 2nd ed. Wiley, New York (1962).
Rittenberg, D., The prepatation of gas samples for mass spectrographic isotope analysis. Part of a symposium on Preparation and Measurement of Isotopic Tracers (p. 31–39) J. W. Edwards, Ann Arbor, Michigan, (1946).
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Reid, A.S.J., Cumming, G.L. & Webster, G.R. A gas converter for preparing nitrogen samples for mass spectrometric analysis. Plant Soil 26, 196–198 (1967). https://doi.org/10.1007/BF01978685
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DOI: https://doi.org/10.1007/BF01978685