Anodic stripping voltammetry system and combination electrode as

Details Anodic stripping voltammetry system and combination electrode as Anodic stripping voltammetry system and combination electrode as

1976-11-29

1977-11-15

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, 204195H, 204272, G01N 2730, G01N 2742

Patent

active

040584461

ABSTRACT:
An improvement for an anodic stripping voltammetry system for measuring the resence and concentration of trace metals in a seawater solution yields more representative readings. A combination electrode is fashioned from a porous polyethylene cylinder having a coaxial bore for receiving the flowing solution. A helically extending silver/silver chloride reference electrode is disposed on the outside of the cylinder and a platinum counter electrode is located in its bore. The porous polyethylene prevents chlorides from contaminating the reference electrode while the counter electrode drains off currents. Thus, more representative potential readings between a working electrode and the reference electrode are made as trace metals are stripped away into the circulating solution.

REFERENCES:
patent: 2651612 (1953-09-01), Haller
patent: 3065156 (1962-11-01), Thompson et al.
patent: 3761377 (1973-09-01), Mang
patent: 3793158 (1974-02-01), Hamilton
patent: 3904487 (1975-09-01), Lieberman et al.

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