A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 113
... conductivity of the membrane polymer . It is to be expected that the major factors determining the ionic conductivity of the membrane polymer will be the ion exchange capacity , the water content and the ionic mobility of the counter ...
... conductivity of the membrane polymer . It is to be expected that the major factors determining the ionic conductivity of the membrane polymer will be the ion exchange capacity , the water content and the ionic mobility of the counter ...
Pagina 115
... conductivity of 0.1 M aqueous sulfuric acid at the same temperature . Another way to view the membrane conductivity is that it is close to the value one would estimate for a porous structure made up of 80 - 90 % insulator and 10 - 20 ...
... conductivity of 0.1 M aqueous sulfuric acid at the same temperature . Another way to view the membrane conductivity is that it is close to the value one would estimate for a porous structure made up of 80 - 90 % insulator and 10 - 20 ...
Pagina 116
... conductivity of Nafion ( equivalent weight 1100 ) as a function of temperature at 100 % relative humidity ( data from ref . 57 ) . alone , and it was therefore proposed that above 335 K , the -SO3H groups were not fully ionised . This ...
... conductivity of Nafion ( equivalent weight 1100 ) as a function of temperature at 100 % relative humidity ( data from ref . 57 ) . alone , and it was therefore proposed that above 335 K , the -SO3H groups were not fully ionised . This ...
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A First Course in Ion Permeable Membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione estratti - 1997 |
Parole e frasi comuni
amine anion anion and cation anode anolyte applications aqueous domains aqueous solution back migration bipolar membrane carboxylate polymer cathode catholyte cation exchange membrane cation permeable membrane cell voltage charge Chem chemical chemistry chlor-alkali chlor-alkali industry chloride co-ions commercial membranes concentration conductivity counter ions crosslinking current density current efficiency depleting determined diffusion coefficient dilute divinylbenzene electrical Electrochem electrodialysis stack Electrosynthesis equation equivalent weight example Figure fixed ionic groups fluorocarbon flux gradient H.L. Yeager H₂ H₂O Hence hydration increase interface ion exchange ion exchange capacity ion exchange polymer ion permeable membranes Ionomer layer manufacture membrane pairs membrane polymer Membrane Sci membrane surface metal mole molecules monomers NaCl Nafion NaOH Neosepta oxidation perfluorinated membranes perfluorinated polymers perfluorinated sulfonate pretreatment properties proton resistance salt splitting sodium hydroxide sodium sulfate species stability stream structure styrene/divinylbenzene copolymers sulfonate sulfonate polymer sulfuric acid temperature transport number water content