Statistics – Computation
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.2831c&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 55, Oct. 1991, p. 2831-2838.
Statistics
Computation
4
Melting, Reduction (Chemistry), Silicates, Solid Electrodes, Volt-Ampere Characteristics, Chemical Equilibrium, Computational Chemistry, Metal Ions, Oxygen
Scientific paper
The equilibrium concentrations of Ni between silicate melt and Pt were determined experimentally as a function of oxygen fugacity. The results demonstrate that metallic species derived in linear sweep voltammetry experiments in silicate melts are diffusing into Pt electrodes and not into the melt, as was concluded by previoius studies. This requires reinterpretation of previous linear sweep voltammetry results and recalculation and correction of reported reduction potentials. This paper reports these corrected reduction potentials. Also reported are the activity coefficients for Ni in synthetic basalt and diopsidic melts and for Co in diopsidic melt.
Colson Russell O.
Haskin Larry A.
Keedy C. R.
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