Method for polarographic analysis using an electrode of tantalum

Details Method for polarographic analysis using an electrode of tantalum Method for polarographic analysis using an electrode of tantalum

1973-09-20

1976-06-22

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

148 203, 204195R, 204290F, 204294, G01N 2748, G01N 2730

Patent

active

039649814

ABSTRACT:
An electrode for an electrochemical cell, such as may be used in polarographic measurements, is formed by vapor deposition of carbon on a tantalum substrate. It can be formed to a desired shape while retaining all the properties of the metal, and it has a large surface and is thus very sensitive. The electrode is inert, will not oxidize over a wide useful range of applied voltages, and exhibits no hysteresis effect when the polarity is reversed.

REFERENCES:
patent: 3028324 (1962-04-01), Ransley
patent: 3266948 (1966-08-01), McGuire
patent: 3324025 (1967-06-01), Hackerman et al.
patent: 3523044 (1970-08-01), Johansen

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