Methods involving differential pressure determinations

Measuring and testing – Gas analysis – Density or specific gravity

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73747, G01N 926

Patent

active

042991161

ABSTRACT:
A method for measuring the density of a vapor includes continuously introducing the vapor into the inlet of a vertical zone at a rate sufficient to maintain the zone completely filled with the vapor, and measuring the pressure at the lower portion of the zone relative to a reference pressure.

REFERENCES:
patent: 1699812 (1929-01-01), Sartakoff
patent: 1815000 (1931-07-01), Durant
patent: 1955315 (1934-04-01), Styer
patent: 3023622 (1962-03-01), Hezarifend
patent: 3225599 (1965-12-01), Schwien
patent: 3296867 (1967-01-01), Schwien
patent: 3589196 (1971-06-01), Van Dyck et al.
patent: 3611811 (1971-10-01), Lissau

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