Spectrochemical analyzer using surface-bound color reagents

Details Spectrochemical analyzer using surface-bound color reagents Spectrochemical analyzer using surface-bound color reagents

1975-09-26

1976-12-21

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

350 96R, 350 96WG, 356209, G01N 2148, G01N 3122, G02B 512

Patent

active

039985911

ABSTRACT:
A spectrochemical analyzer utilizing a transparent medium such as quartz which has a color reagent coating the surface. When light is directed into the transparent medium, the magnitude of internal surface reflection varies with the change in absorptivity resulting from a color change in the reagent in response to a change in the chemical condition of the sample. By measurement of the light transmitted by the transparent medium the chemical condition of the sample is measured.

REFERENCES:
patent: 3431411 (1969-03-01), Harrick
patent: 3515490 (1970-06-01), Dreyfus et al.
patent: 3582209 (1971-06-01), La Rosa
patent: 3904373 (1975-09-01), Harper
Harrick, Anal. Chem., vol. 36, pp. 188-191 (1964).
Chem. and Engr. News, Dec. 8, 1975, p. 13.

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