Conductivity detector and method

Details Conductivity detector and method Conductivity detector and method

1981-09-18

1984-11-13

Smith, Jerry

Boots, shoes, and leggings

364571, 364556, 364496, G06F 1542, G06F 1100, G01N 2746

Patent

active

044829671

ABSTRACT:
Disclosed is a conductivity detector for use in chromatography systems. The improved conductivity detector provides digital processing of a conductivity signal to provide improved stability. The detector compares a trial offset signal with a detected conductivity signal and when the compared values are within a predetermined value the detector processes the compared value and the final offset value thereby providing improved accuracy with higher resolution.

REFERENCES:
patent: 3681025 (1972-08-01), Dalgaard
patent: 3807860 (1974-04-01), Brainard
patent: 3889255 (1975-06-01), Pettersen
patent: 4063447 (1977-12-01), Mathison
patent: 4159523 (1979-06-01), Neer
patent: 4189778 (1980-02-01), Vogel
patent: 4218746 (1980-08-01), Koshiishi
patent: 4342089 (1982-07-01), Hall
patent: 4357668 (1982-11-01), Schwartz et al.
patent: 4368509 (1983-01-01), Li
`A Micro-Computer System for Potentiometric Stripping Analysis`, by Anfalt et al., Analytica Chimica Acta, 103, No. 4, (1978), pp. 379-388, (Elsevier Sci. Pub. Co., Amsterdam, Netherlands).
`Microprocessor-Controlled Differential Titrator`, by Busch et al., Analytical Chemistry, vol. 50, No. 14, (1978).

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