Detection method for determining phase boundaries

Details Detection method for determining phase boundaries Detection method for determining phase boundaries

1990-06-19

1992-03-24

Williams, Hezron E.

Measuring and testing

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

Viscosity

B01N 1102

Patent

active

050976982

ABSTRACT:
A novel method for detecting phase transitions depends on an observed sharp drop in the amplitude of vibration of a vibrating tube containing test material when phase transitions occur. Combining phase equilibria detection with conventional density measurement permits the exploration of pressure, volume, temperature and composition at phase boundaries. The method is especially useful at high temperatures and pressures.

REFERENCES:
patent: 3253711 (1962-12-01), Young
patent: 3903731 (1975-09-01), Sieben
patent: 3913383 (1975-10-01), Kreula et al.
patent: 4148216 (1979-04-01), Do et al.
patent: 4838084 (1989-06-01), Leepold et al.
patent: 4972724 (1990-11-01), Ricken

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