Viscosities and densities of methane‐propane mixtures at low temperatures and high pressures

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Abstract
The viscosities and densities of methane‐propane mixtures were determined at pressures to 5,000 lb./sq.in.abs. for 22.1 and 50.0 mole % methane over a temperature range from −120 to 37.78°C. and for 75.3 mole % methane over a temperature range from −150° to 37.78°C. Reproducibility of the viscosity data was ± 2%, and the agreement with literature values was, on the average, within ± 2%. The reproducibility of the density data was ± 0.8%, and the agreement with literature values was ± 1.2%.