Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1992-06-02
1993-12-21
Valentine, Donald R.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204409, 2041531, 134 2212, G01N 2726
Patent
active
052718190
ABSTRACT:
A sensor electrode and method for detecting select characteristic in a liquid. The method utilizes filters and adsorbent materials to selectively remove contaminants in the liquid. The improvement comprises back flushing the filters and adsorbent material, once they become saturated, with specific solutions to wash away the select contaminants.
REFERENCES:
patent: 4609874 (1986-09-01), Reich
patent: 5051193 (1991-09-01), Cummings, Jr.
patent: 5114596 (1992-05-01), Laterra
Zief and Kiser, An Overview of Solid Phase Extraction for Sample Preparation, Jan. 1990, pp. 70-83.
Bell Bruce F.
Betz Laboratories Inc.
Hill Gregory M.
Ricci Alexander D.
Valentine Donald R.
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