G - Physics – 01 – N
Patent
G - Physics
01
N
324/23
G01N 27/56 (1985.01)
Patent
CA 1189570
ABSTRACT OF THE DISCLOSURE A device for determining hydrogen flux through a metal membrane comprises two parts, a top part and a bottom part respectively. The top part is electrically insulated relative to the bottom part. The top part which is a sheet of iron or steel, is provided with an interior palladium coating. The top part constitutes together with the interior coating a metal membrane which is selectively permeable to hydrogen. Within the bottom part which is made of a metal, e.g. nickel, or nickel-coated steel, a metal oxide filling is arranged. The bottom part constitutes together with the metal oxide filling a metal/metal oxide cathode. The device is also provided with an electrolyte solution electrolytically communicating with the metal membrane and the metal/metal oxide cathode. The device is adapted to be maintained in a substantially short-circuited condition by either a direct connection between the metal membrane and the metal/metal oxide cathode or a connection to a current measuring system with low internal impedance, such as a conventional am-meter.
439111
A/s Hellesens
Stewart & Kolash Ltd
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