A thin film of Co was deposited on the end of a long cylinder of Fe3O4. Afterwards, the cylinder was annealed for 20 hours and then the Co concentration was measured. The Co concentration values are given in the table. Calculate the diffusion coefficient of Co in Fe3O4 at the annealing conditions. x (um) C(x, t) (mol/cm³) 20 7.78x10-4 40 7.33x10-4 60 6.64×10-4 80 5.78x10-4

A thin film of Co was deposited on the end of a long cylinder of Fe3O4. Afterwards, the cylinder was annealed for 20 hours and then the Co concentration was measured. The Co concentration values are given in the table. Calculate the diffusion coefficient of Co in Fe3O4 at the annealing conditions. x (um) C(x, t) (mol/cm³) 20 7.78x10-4 40 7.33x10-4 60 6.64×10-4 80 5.78x10-4

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter34: Miscellaneous Separation Methods

Section: Chapter Questions

Problem 34.14QAP

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