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Table IV Reaction orders for QH2 (m) and surface (n) and rate constants (k) for each particle type using the 2D diffusion kinetic model. Errors reported are standard errors. SATEM normalized rate constant is denoted by kTEM, and SABET normalized rate constant is denoted by kBET.

From: Reduction of crystalline iron(III) oxyhydroxides using hydroquinone: Influence of phase and particle size

Particle ID

m

n

k × 108 (h-1)

kTEM × 1010(h-1m-2)

kBET × 1010(h-1m-2)

Nanorods

0.92 ± 0.12

1.61 ± 0.13

9.9 ± 1.2

4.5a ± 0.7

7.2a ± 0.9

Microrods

0.82 ± 0.18

1.74 ± 0.18

1.38 ± 0.16

2.6a ± 0.4

3.6a ± 0.4

  1. aNote: Rate constants are 100-fold smaller than those shown in Table III.
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Geochemical Transactions

ISSN: 1467-4866

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