Device for measuring concentration including valve means

Details Device for measuring concentration including valve means Device for measuring concentration including valve means

1983-06-07

1986-05-06

Warden, Robert J.

Chemistry: molecular biology and microbiology

Apparatus

Including measuring or testing

435291, 435311, 13762546, 422 68, 422103, C12M 140, C12M 134, C12M 112, B01L 1100

Patent

active

045872198

ABSTRACT:
A device is disclosed for measuring the concentration of a component of a complex medium, including a dialyzer for separating at least a portion of the component into the dialysate from the complex medium, means for measuring the concentration of the component in the dialyzate, and valve means having a measurement position and calibration position for alternatingly directing the complex medium and a calibration solution, respectively, to the dialyzer so that a calibration of the measuring means can be achieved at intervals between measurements, with the dialyzer being in fluid communication with the measuring means so that the dialyzate from the dialyzer is directed to the measuring means for measuring the concentration of the component in the dialyzate. The device also preferably includes an enzyme reactor.

REFERENCES:
patent: 3542071 (1970-11-01), Lightner et al.
patent: 3626938 (1971-12-01), Versaci
patent: 4119406 (1978-10-01), Clemens
patent: 4120661 (1978-10-01), Naone
patent: 4123353 (1978-10-01), Hakansson et al.
patent: 4152391 (1979-05-01), Cabrera
patent: 4153513 (1979-05-01), Edelmann et al.
patent: 4229542 (1980-10-01), Nylen et al.
patent: 4266021 (1981-05-01), Nylen et al.
patent: 4298026 (1981-11-01), Ambers

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