Method and apparatus for coulometric measurement

Details Method and apparatus for coulometric measurement Method and apparatus for coulometric measurement

1981-12-28

1984-12-18

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204434, 324 711, G01N 2726, G01N 2742

Patent

active

044889380

ABSTRACT:
The thicknesses of metallic coatings on a surface is coulometrically measured employing a probe for storing electrolyte solution provided with a power supply and indicating and controlling circuits. The probe comprises a cylinder defining a chamber for storage of electrolyte and having at one end a nozzle of capillary size surrounded by a gasket or cuff adapted to be placed in abutment against the surface to be tested. The opposite end of the cylinder is connected to a source of oscillating pressure which imposes on the electrolyte a corresponding movement against the working surface.

REFERENCES:
patent: 2319196 (1943-05-01), Anderson et al.
patent: 2457234 (1948-12-01), Herbert et al.
patent: 3259840 (1966-07-01), Schaschl et al.
patent: 3346477 (1967-10-01), Wolfer
patent: 4310389 (1982-01-01), Harbulak

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