Method and device for testing liquids

Chemistry: physical processes – Physical processes – Crystallization

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Details

422 56, 422 57, G01N 2106, G01N 2120, G01N 3122, G01N 3316

Patent

active

041253728

ABSTRACT:
A method and device for testing a liquid such as urine for obtaining at least qualitative, but also quantitative, if desired, information in connection with a substance which may be present in the liquid. A reference body and at least one test body are dipped into and removed from the liquid which is to be tested, a suitable means being connected with the bodies to facilitate the dipping thereof into and the removal thereof from the liquid. The test body is capable of giving a color indication in connection with the substance while the reference body has characteristics substantially identical with those of the test cody except that the reference body is incapable of giving a color indication in connection with the substance. Thus, after removal of the bodies from the liquid the reflectivities thereof may be compared so as to give at least a qualitative, but also a quantitative, if desired, indication of the substance in connection with the liquid which is tested.

REFERENCES:
patent: 3901657 (1975-08-01), Lightfoot
patent: 3932132 (1976-01-01), Hijikata
patent: 3932133 (1976-01-01), Ishikawa
patent: 3941876 (1976-03-01), Marinkovich
patent: 3963442 (1976-06-01), Bullard
patent: 3973129 (1976-08-01), Blumberg

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