Method and apparatus for measuring a physical property of a flui

Details Method and apparatus for measuring a physical property of a flui Method and apparatus for measuring a physical property of a flui

1974-10-03

1976-09-21

Queisser, Richard C.

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 32A, G01N 936

Patent

active

039811832

ABSTRACT:
A method and apparatus for measuring a physical property of a fluid material, such as concentration, that varies nonlinearly relative to the density of the fluid by measuring the density of the fluid and then injecting a fixed amount of a second miscible fluid having a density different from the density of the first fluid, and measuring the density of the combined fluids whereby the differences in the two measurements is an indication of the nonlinear physical property of the first fluid. Recording the measurements on a recorder, and recording the first measurement at a zeroing point on the recorder in which the scale of the recorder is a difference in the first and second measurements versus the property being measured. The zeroing point may be selected at the point where the density measurements are the same for both the first and second measurements.

REFERENCES:
patent: 3310974 (1967-03-01), Banks
patent: 3449940 (1969-06-01), Banks
patent: 3678734 (1972-07-01), Mitchell

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