Voltammetric cell, measuring electrode and method

Details Voltammetric cell, measuring electrode and method Voltammetric cell, measuring electrode and method

1980-04-03

1981-11-24

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2728

Patent

active

043023142

ABSTRACT:
A voltammetric cell, particularly for the determination of trace elements in a liquid, such as water, comprises a cover in which the measuring electrode and a reference electrode are mounted and which sealingly engages the cell vessel so that the contents of the latter will be sealed from contamination by the environment during the measuring process. The exchangeable meauring electrode has an analysis cup or crucible within the vessel into which the electrode can be inserted, the bottom of the vessel having a configuration complementary to the external configuration of the replaceable crucible or cup. The cup may have a downwardly tapering frustoconical configuration and the base of the vessel can have a corresponding downwardly tapering recess accommodating at least the bottom of the cup.

REFERENCES:
patent: 2208023 (1940-07-01), Ellis
patent: 3484359 (1969-12-01), Greene et al.
patent: 3498888 (1970-03-01), Johansson
patent: 3523070 (1970-08-01), Silverman et al.
patent: 3562130 (1971-02-01), Hoole et al.
patent: 3657093 (1972-04-01), Farren
patent: 3859193 (1975-01-01), Bednarski et al.
patent: 3867273 (1975-02-01), Gilbert
patent: 4138322 (1979-02-01), Barnes et al.
patent: 4172777 (1979-10-01), Yamamoto et al.
patent: 4201646 (1980-05-01), Matson
"Disc and Ring Rotating Electrodes", Data Sheet of Tacussel Electronique, 976).
"Polarecord", Data Sheet of Deutsche Metrohm GmbH & Co., (1975).

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