Measuring and testing – Specific gravity or density of liquid or solid – Hydrostatic pressure type
Patent
1982-07-20
1983-12-13
Gill, James J.
Measuring and testing
Specific gravity or density of liquid or solid
Hydrostatic pressure type
G01N 926
Patent
active
044198930
ABSTRACT:
A method for determining the specific gravity of a liquid includes introducing a purge stream of a reference liquid into a column and introducing a first vapor purge stream into a first sensor located below the level of the reference liquid. Then a second vapor purge stream is introduced into a second sensor located below the level of the reference liquid sensor and a measurement of the difference in pressure between the two sensors is indicative of the specific gravity of the liquid.
REFERENCES:
patent: 3460394 (1969-08-01), Cryer
Baillie Lloyd A.
Uhl George A.
Atlantic Richfield Company
Gill James J.
Roskos Joseph W.
Welsh Stanley M.
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