Cinetica de Electrodica
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Transcript of Cinetica de Electrodica
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CinéticaCinéticaelectródicaelectródicaCinéticaCinética
electródicaelectródica
1FQ UNAM Alejandro Baeza 2007
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Procesos cinéticos al electrodo
Ox
Transferencia de masa
ne-
Hox
Transferencia de
Transferencia
de carga
interfacial Hred
Red
Transferencia de
partículas químicas:
pe, pH, pX, pL,..., pN
2FQ UNAM Alejandro Baeza 2007
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Transferencia de masa
EGD
Régimen hidrodinámico
Controlado:
EGM
Difusión pura
Microelectrodos
Electrolito soporte3FQ UNAM Alejandro Baeza 2007
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Transferencia
de
partículas
químicas
Amortiguamiento
Múltiple, pe=f(pH,pL,pM)Múltiple, pe=f(pH,pL,pM)
Disolvente
Temperatura, Fuerza iónica
Estructura
Catalizadores,
4FQ UNAM Alejandro Baeza 2007
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Cinetica
De
transferencia
de carga interfacialNaturaleza del electrodo:
Pt, Ru, Pd, Hg, C, etc.
Electrodos modificados
Catalizadores
Disolvente
Temperatura
5FQ UNAM Alejandro Baeza 2007
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¿cómo afecta
a las curvasa las curvas
I/E la cinética
electródica?6FQ UNAM Alejandro Baeza 2007
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7FQ UNAM Alejandro Baeza 2007
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8FQ UNAM Alejandro Baeza 2007
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9FQ UNAM Alejandro Baeza 2007
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10FQ UNAM Alejandro Baeza 2007
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11FQ UNAM Alejandro Baeza 2007
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12FQ UNAM Alejandro Baeza 2007
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13FQ UNAM Alejandro Baeza 2007
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14FQ UNAM Alejandro Baeza 2007
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B
15FQ UNAM Alejandro Baeza 2007
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16FQ UNAM Alejandro Baeza 2007
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17FQ UNAM Alejandro Baeza 2007
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18FQ UNAM Alejandro Baeza 2007
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bibliografía
1980
199619FQ UNAM Alejandro Baeza 2007