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Mass transfer and polarization at a rotating disk electrode

โœ Scribed by L. Hsueh; J. Newman


Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
691 KB
Volume
12
Category
Article
ISSN
0013-4686

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โœฆ Synopsis


Measured hmltmg currents for deposltlon of copper on a rotating copper disk from aqueous copper sulphate solutions are found to agree satlsfactordy with values calculated with conslderatlon of the concentration dependence of the physical propertles of the solution The observed electrode polarlzatlon can be traced mamly to the ohmic potential drop m these solutions of low electrical conductlvlty R&m&-Les courants-hmltes mesurCs pour la d&posltlon du cmvre sur un dlsque de cmvre tournant, & partlr de solutions aqueuses de sulfate cmvrique, sont trouds en accord, d'une mandre satlsfalsante, avec les valeurs calculBes en considerant la dCpendance entre les propnttes physiques de la solution et sa concentration La polansatlon observte de l'Clectrode peut &re prmclpalement rattachee a la chute de potentlel ohmlque, dans ces solutions de falble conductlvlte Clectrlque Zusammenfassun-Die gemessenen Grenzstrome der Abscheldung von Kupfer an rotlerenden Kupferschelben m wassrlgen Kupfersulfatlosungen stimmen befrledlgend mlt den Werten uberem,


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