Isotope Electrochemistry Fractionation equation

Page 1. 541 Isotope Electrochemistry Fractionation equation Driving force (V) Δ M fractionation lnα positive lnα electrochemical l−k ∝ lnα eq l−k 2λ ...
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ΔM fractionation

Isotope Electrochemistry Fractionation equation l−k ln α eq l−k ln α electrochemical ∝ ze(Vappl − Veq ) 2λ lnα

lnα

pos

itiv e

Kavner, et al. 2005

e v i t a neg

Driving force (V)

1 54

-1

Fe data

-2

Zn data

slope =lnα/λ prediction: lnα negative

-3

Δ

66

Zn (‰ wrt starting solution)

lnα positive (in agreement with Schauble et al., 2003)

0

-4

0.0

-0.2

-0.4

-0.6

-0.8

-1.0

Vappl-Veq (V)

2 54

High Pressure Charge Transfer