Process and apparatus for the detection of changes of compositio

Details Process and apparatus for the detection of changes of compositio Process and apparatus for the detection of changes of compositio

1984-01-30

1986-01-21

Hart, Charles

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73290V, G01N 2902

Patent

active

045650888

ABSTRACT:
Process and apparatus for detecting and locating a change of composition in a medium, which consists in determining the speed of transmission of an ultrasonic wave through a layer or column of the medium; this determination is effected at a plurality of locations or levels and those of the locations or levels are noted which correspond to changes in the speed of transmission of the wave.

REFERENCES:
patent: 3693445 (1972-09-01), Johnson
patent: 4403508 (1983-09-01), Langlois
patent: 4424701 (1984-01-01), Mair

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