Process for measuring the volume change of a nitrogen-gas-stabil

Details Process for measuring the volume change of a nitrogen-gas-stabil Process for measuring the volume change of a nitrogen-gas-stabil

1981-11-10

1984-06-05

Turk, Arnold

Chemistry: analytical and immunological testing

Process or composition for determination of physical state...

73149, 422 68, 436148, G01N 700, G01N 718, G01N 3338

Patent

active

044528981

ABSTRACT:
The volume change of a hydraulic cement slurry can be measured by measuring the amount of pressurized gas which flows into or out of the volume initially occupied by the slurry during the setting of the cement, for example, where the slurry is one formed by dissolving in the slurry mix water a correlated amount of gas-forming reactants having a delayed rate of reaction such that the gas production occurs mainly at the time the volume of the slurry mix water is being reduced to a low value during the setting and hardening of the cement.

REFERENCES:
patent: 1309702 (1919-07-01), Skinner
patent: 2038044 (1936-04-01), Heald
patent: 2498198 (1950-02-01), Beeson
patent: 2668437 (1954-02-01), Patch
patent: 3591394 (1971-07-01), Diggelmann et al.
patent: 3675493 (1972-07-01), Hicks et al.
patent: 3864086 (1975-02-01), Geist et al.
patent: 4142909 (1979-03-01), Gaines

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