Materials

k (min−1)

R2

TiO2

0.0017

0.5756

AgTiO2

0.0021

0.6079

(AgTiO2)(clay)[1:1]

0.0026

0.3685

(AgTiO2)(clay)[1:0.5]

0.0053

0.7571

(AgTiO2)(clay)[1:0.1]

0.0049

0.8065

(AgTiO2)(clay)[1:0.05]

0.0056

0.6782

(AgTiO2)(clay)[1:0.01]

0.0061

0.8304