Abstract
WATER at 20° C. is now widely used as the primary standard for viscosity measurement1, the viscosity being taken to be 0.01002 poise as obtained by Swindells, Coe and Godfrey2, and confirmed by Roscoe and Bainbridge3. The International Organization for Standardization has recently proposed the international adoption of this value, but the question has arisen whether the viscosity depends significantly on the presence of dissolved air in the water4. We have now made some very accurate measurements to determine the effect of dissolved air, and found it to be insignificant for present standards requirements.
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References
U.S. Nat. Bur. Stand., Tech. News Bull., 37, 100 (1953).
Swindells, J. F., Coe, J. R., and Godfrey, T. B., J. Res. Nat. Bur. Stand., 48, 1 (1952).
Roscoe, R., and Bainbridge, W., Proc. Phys. Soc., 72, 585 (1958).
U.S. Nat. Bur. Stand., Ann. Rep. for 1959, 31, Misc. Pub. No. 229.
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CAW, W., WYLIE, R. Effect of Dissolved Air on the Viscosity of Water. Nature 189, 995–996 (1961). https://doi.org/10.1038/189995b0
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DOI: https://doi.org/10.1038/189995b0
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