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Precision acoustic gas analyzer for binary mixtures (1986)

Polturak, E. ; Garrett, S. L. ; Lipson, S. G.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 57 (1986), S. 2837-2841

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: We describe a cylindrical acoustic resonator which has been used for the determination of the molar concentration of a binary mixture of gases. We achieved an absolute accuracy better than 0.001 independent of the concentration or the type of gas. The practical factors limiting the accuracy are discussed in detail and their effect on the performance has been evaluated using gas samples prepared by precisely measured partial pressures. The device is routinely used to measure the concentration of 3He–4He mixtures.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1139053

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