Method and apparatus for analysis of constituent carried in fibr

Chemistry: physical processes – Physical processes – Crystallization

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23253R, G01N 2124, G01N 3316

Patent

active

040594050

ABSTRACT:
An optically-thin preparation of a sample solution and chemical reagents produces a constituent-manifesting reaction product that can be measured in linear relation to the concentration of the constituent of interest. A fibrous sheet contains the sample and the reagents for both the reaction and the measurement. The same site on the fibrous sheet which bears the reacting materials serves as a blank to produce a reference signal for the measurement.

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patent: 3216804 (1965-11-01), Natelson
patent: 3245306 (1966-04-01), Potter et al.
patent: 3502438 (1970-03-01), Natelson
patent: 3526480 (1970-09-01), Pindl et al.
patent: 3691017 (1972-09-01), Brown et al.
patent: 3721501 (1973-03-01), Atkinson et al.

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