3He/4He isotopic ratio measurements to below the 10^-12 level

Hendry, P. C. and McClintock, Peter V. E. (1984) 3He/4He isotopic ratio measurements to below the 10^-12 level. In: Proceedings of the 17th International Conference on Low Temperature Physics. North-Holland Physics Publishing, Amsterdam, pp. 417-418. ISBN 0 444 86910 7

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Abstract

A miniature helium isotopic concentration cryostat is described. By means of this device, the 3He/4He ratio of a given sample of helium gas can be increased by a measurable factor of up to ca 400, thereby enhancing by the same factor the ultimate sensitivity of 3He/4He ratio determination by mass spectrometry.

Item Type:
Contribution in Book/Report/Proceedings
Additional Information:
Proceedings of the 17th International Conference on Low Temperature Physics, Karlsruhe, 15-22 August 1984.
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? QC PHYSICS ??
ID Code:
32407
Deposited On:
25 Mar 2010 10:24
Refereed?:
No
Published?:
Published
Last Modified:
12 Sep 2023 01:08