Equation for the volume magnetic susceptibility of moist air
- 1 February 1998
- journal article
- Published by IOP Publishing in Metrologia
- Vol. 35 (1) , 49-55
- https://doi.org/10.1088/0026-1394/35/1/8
Abstract
The volume magnetic susceptibility of moist air χm(ma) is needed to correct the results of certain experiments to vacuum conditions. This paper derives an appropriate equation for χm(ma) for which pressure, temperature, relative humidity, and carbon dioxide content are variable parameters. The derived equation also depends sensitively on the molar susceptibility of oxygen, for which the handbook values are inconsistent by about 1.4%. The equation resolves this discrepancy in part.Keywords
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