Chemistry: electrical and wave energy – Processes and products
Patent
1982-09-20
1984-11-20
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
204406, 204409, 204415, 204435, G01N 2728, G01N 2740
Patent
active
044837488
ABSTRACT:
An automated electrolytic membrane test cell apparatus adaptable for the purpose of accurately measuring cationic transport and water transport numbers for membranes used in chlor-alkali cells under operating conditions similar to those used in such cells is disclosed. The apparatus comprises a test cell, said test cell being adapted to hold a permselective membrane sealingly supported therein so as to create separate anode and cathode compartments, each of said compartments having a suitable electrode, and heating electrolyte inlet and outlet means attached thereto. The apparatus further comprises means to select one of a plurality of anolyte and catholyte test solutions and control means adapted to control the electrolysis, circulation and heating of said solutions and the generation of all test samples needed to perform the measurements necessary to calculate said transport numbers. When used in conjunction with radioactive tracer techniques, considerably improvements are possible in the accuracy and ease with which transport phenomena in said membrane can be studied.
REFERENCES:
patent: 3556950 (1971-01-01), Dahms
patent: 3654113 (1972-04-01), Bochinski
patent: 3672843 (1972-06-01), Rosse et al.
patent: 3718568 (1973-02-01), Neuwelt
patent: 4189367 (1980-02-01), Connery et al.
patent: 4379020 (1983-04-01), Yeager
Peter J. Smith and Trevor L. Jones, "The Development and Application of a Small Cell for the Determination of Ionic Transport Numbers by Use of Radiotracers", presented at the American Chemical Society, (Polymer Division), Workshop on Perfluorinated Ionomer Membranes, Feb. 1982 at Orlando, Florida.
Malinsky J. David
Yeager Howard L.
Andrews R. L.
Chapman Terryence
Clements Donald F.
O'Day Thomas P.
Oaks Arthur E.
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