Viscosities of carrier gases at gas chromatograph temperatures and pressures |
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| Authors: | S J Hawkes |
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| Institution: | (1) Chemistry Department, Oregon State University, 97331-4003 Corvallis, OR, USA |
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| Abstract: | Summary Equations are derived for viscosities of H2, He, N2 and Ar for use at chromatographic temperatures which are accurate to within 0.3% for H2, and 0.1% for the other gases. The effect of pressure is usually negligible but may increase the viscosity of N2 or Ar by as much as 0.5% at 25°C or lower and 5 atm or higher. |
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| Keywords: | Gas chromatography Viscosity Carrier gases |
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