Chemistry: physical processes – Physical processes – Crystallization
Patent
1977-01-19
1979-02-27
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23230R, 23232C, 23232E, 422 89, 422 93, 422 98, G01N 3100, G01N 3106, G01N 3108
Patent
active
041416899
ABSTRACT:
A method of testing a body of fluid for the presence of at least one component in which a measuring means is exposed successively to two masses of fluid derived from the body of fluid, the two masses differing in respect of the concentration of an active component to which the measuring means is sensitive by an amount dependent upon the concentration in the body of fluid of the at least one component to be detected, the measuring means being exposed to at least one of the two masses of fluid for a time sufficient for the measuring means to reach a known proportion less than one hundred percent of its equilibrium state with the active component in the fluid to which the measuring means is exposed. The two masses may be derived from the same sample or from different samples of the body of fluid.
REFERENCES:
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patent: 2980513 (1961-04-01), Kapff
patent: 3590628 (1971-07-01), Orr
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patent: 3915645 (1975-10-01), Funke et al.
patent: 3967933 (1976-07-01), Etess et al.
patent: 3977836 (1976-08-01), Matsuda et al.
National Research Development Corporation
Scovronek Joseph
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