Method and apparatus for determining pore volume in a solid samp

Details Method and apparatus for determining pore volume in a solid samp Method and apparatus for determining pore volume in a solid samp

1994-11-17

1996-10-29

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

055698395

ABSTRACT:
The invention concerns an apparatus and method for determining pore volume parameters of a solid sample. The apparatus comprises a high pressure cell (50), a sample holder (1) provided with an orifice (21), means (2) for creating a vacuum connected to a chamber (10a) containing the sample holder by at least one orifice (30), and a mercury supply. The apparatus also comprises a syringe pump (9) connected to the chamber and to mercury supply means for delivery of mercury under pressure, means for programming a steady supply of mercury for a fixed period of time connected to the pump, at least one pressure sensor (15) downstream of the pump which continuously reads the pressure, and means (41) for signal collection and processing connected to the pressure sensor and the means for programming a steady supply of mercury and adapted to calculate the porosimetry parameters.

REFERENCES:
patent: 3158020 (1964-11-01), Donaldson
patent: 4170129 (1979-10-01), Lowell
patent: 4513603 (1985-04-01), Baillie
patent: 4524605 (1985-06-01), Italiano et al.
patent: 4625544 (1986-12-01), Hi-Hwa Yuan et al.
patent: 5299140 (1994-03-01), Ankeny et al.

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