Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1993-06-22
1995-10-03
Williams, Herzon E.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73 6146, 374 22, 374 16, G01N 2504
Patent
active
054542570
ABSTRACT:
A wax appearance point in a petroleum produce is determined by measuring change in volume as a function of temperature. The appearance point appears as a deviation from a rectilinear graph. The quantity of wax which appears is determined by comparing a measured volume graph as a function of temperature with an estimated volume graph.
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Abbott et al. "Scharm's Outline of Theory and Problems of Thermodynamics", N.Y. McGraw-Hill, p. 105, 1972.
Industrial and Engineering Chemistry, vol. 59, No. 10, Oct. 1967, R. H. Jacoby and L. Yarborough, "PVT Measurements on Petroleum Reservoir Fluids and Their Uses", pp. 48-62.
Chemical Abstracts, vol. 87, (1977), No. 154578/Izv. Vyssh, Uchebn. Zaved., (1977). 20(6), 52-56, E. A. Aleksandrova, A. P. Grishin, Y. Y. Lobachiov, "Temperature Research of Paraffins Phase Changes Using Dilatometric and Thermographic Methods".
Grung Knut Erik
Per Fotland
Brook Michael J.
Norsk Hydro a.s.
Williams Herzon E.
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