©CSIRO 2009 Environ. Chem. 2009, 6, 551–560. doi:10.1071/EN09046_AC 1 Accessory publication Dissolution kinetics of meta-torbernite under circum-neutral to alkaline conditions Dawn M. Wellman, A,C Bruce K. McNamara, A Diana H. Bacon, A Elsa A. Cordova, A Ruby M. Ermi A and Laken M. Top A,B A Pacific Northwest National Laboratory, PO Box 999, K3-62, Richland, WA 99352, USA. B University of Idaho, Department of Chemistry, Renfew Hall, PO Box 442343, Moscow, ID 83844, USA. C Corresponding author. Email: dawn.wellman@pnl.gov Table A1. Single-pass flow-through experimental conditions and dissolution rates of meta-torbernite Rate uncertainties calculated, as described within the text, are listed in parentheses below dissolution rate Surface area Temperature Nominal pH Flow rate U U rate Sample ID (m 2 g –1 ) (°C) (23°C) (mL day –1 ) (μg L –1 ) (mol m –2 s –1 ) Cum. mass loss percentage META-001-1 1.28 23 6 305 5 3.51 × 10 –13 5.79 × 10 –5 (8.37 × 10 –14 ) META-001-2 1.28 23 6 251 6 5.85 × 10 –13 1.51 × 10 –4 (1.20 × 10 –13 ) META-001-3 1.28 23 6 287 10 1.35 × 10 –12 4.31 × 10 –4 (2.65 × 10 –13 ) META-001-4 1.28 23 6 293 9 1.18 × 10 –12 8.24 × 10 –4 (2.33 × 10 –13 ) META-001-5 1.28 23 6 289 10 1.24x 10 –12 1.10 × 10 –3 (2.45 × 10 –13 ) META-001-6 1.28 23 6 330 10 1.44 × 10 –12 1.32 × 10 –3 (2.83 × 10 –13 ) META-001-7 1.28 23 6 323 8 1.09 × 10 –12 1.58 × 10 –3 (2.18 × 10 –13 ) META-001-8 1.28 23 6 327 8 1.04 × 10 –12 1.78 × 10 –3 (2.08 × 10 –13 ) META-001-9 1.28 23 6 342 7 8.95 × 10 –13 1.90 × 10 –3 (1.82 × 10 –13 ) META-001-10 1.28 23 6 332 7 9.05 × 10 –13 2.04 × 10 –3 (1.83 × 10 –13 ) META-001-11 1.28 23 6 293 9 1.11 × 10 –12 2.18 × 10 –3