Method and apparatus for the analysis of solution adjacent an el

Details Method and apparatus for the analysis of solution adjacent an el Method and apparatus for the analysis of solution adjacent an el

1981-04-02

1983-07-26

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204400, 356300, 356319, 436805, 436806, G01N 2746

Patent

active

043953123

ABSTRACT:
Electrochemically generated chromophores are measured by passing a beam of electromagnetic radiation parallel and close to the surface of the electrode at which they are being generated, and collecting the diffracted radiation. The response is so rapid (.about.0.025 sec.) that modulation is practicable and the path length, which is set by the thickness of the electrode, is much greater than in optically transparent electrodes, thus rendering the method very sensitive to weak chromophores or low concentrations.

REFERENCES:
patent: 3708402 (1973-01-01), Bean
patent: 3947124 (1976-03-01), West
patent: 4217195 (1980-08-01), Uzgiris et al.
patent: 4252617 (1981-02-01), Heusler et al.
patent: 4274937 (1981-06-01), Findl et al.
patent: 4306877 (1981-12-01), Lubbers
Heineman, "Analytical Chemistry", vol. 50, (Mar. 1978), p. 390A.
Tyson et al., "Analytical Chemistry", vol. 26, (1979), pp. 117-125.
Tyson et al., "Analytical Chemistry", vol. 27, (1980), pp. 335-342.

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