Chemistry: electrical and wave energy – Processes and products
Patent
1974-04-09
1976-09-14
Edmundson, F.C.
Chemistry: electrical and wave energy
Processes and products
204292, C25B 308, C25B 1104
Patent
active
039805344
ABSTRACT:
In a process for electrochemical fluorination of a substrate by the use of a cell comprising a cathode and a nickel anode immersed in hydrogen fluoride the anode potential is carefully controlled between fixed limits with respect to a reference electrode both during an initial conditioning phase (when the nickel anode acquires a layer of nickel fluoride) to give a reproducible electrode surface and during a subsequent reaction phase when the substrate for fluorination is added. The invention also provides an electrode which comprises two sheets of a nickel foam produced by plating nickel onto a polyurethane foam and subsequently destroying the organic matter, which sheets sandwich a nickel mesh feeder plate.
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patent: 3616336 (1971-10-01), Childs et al.
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patent: 3748238 (1973-07-01), Heit et al.
Introduction to Organic Electrochemistry by Rifi et al., pp. 95, 98 and 99, pub. by Marcel Dekker, New York, 1974.
Edmundson F.C.
The Electricity Council
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