Laterite Leach Tests
Laterite Leach Tests
Laterite Leach Tests
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ANSTO Minerals Report C1206 to Lagoon Creek Resources – Westmoreland Deposits<br />
Run LC5 A High Acid Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002460<br />
pH 1.3 Solids: 1000 g Garee (Redtree) Composite <strong>Leach</strong> Duration: 24 h ICP/MS Request No: 1002460<br />
<strong>Leach</strong> Liquor Matrix: 825 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002483<br />
Slurry: 55% ORP: 500 mV<br />
DNA Request No: 1002483<br />
Fe Addition: none pH: 1.3 Date: 10/08/10<br />
Sample ID<br />
Uranium<br />
<strong>Leach</strong> Conditions<br />
ppm Ext'n<br />
Solution Assays (mg/L)<br />
U3O8 (%)<br />
Time Temp.<br />
pH<br />
ORP<br />
Acid<br />
Free Acidity<br />
Addition<br />
Acid<br />
Cons.<br />
Oxidant<br />
Addition DNA DNA Al As Ca Fe<br />
K Mg Mn Na<br />
(h) (°C) (mV) (kg/t) (g/L H 2SO 4) (kg/t) (kg/t)<br />
Head 1704<br />
LC5 A1 2 40 1.33 499 11.3 7.9 5 0.86 394 76.9 308 176 244 1566 1146 93 84 307 159 74 4215 341 1085 7<br />
LC5 A2 4 40 1.27 499 13.7 8.3 7 1.11 205 88.0 405 200 253 2045 1514 109 116 402 201 77 5334 440 1285 8<br />
LC5 A3 8 40 1.31 500 15.6 6.9 10 1.41 86 94.9 534 201 246 2657 2000 125 152 481 232 82 5774 553 1325 9<br />
LC5 A4 12 40 1.33 500 17.3 6.6 12 1.62 65 96.2 648 205 256 3164 2401 152 185 565 268 85 6867 634 1385 11<br />
LC5 A5 24 40 1.27 471 20.4 6.7 15 1.62 31 98.2 846 208 254 3909 2344 201 232 557 263 84 7733 731 1379 12<br />
24 h MS 1420 13<br />
U Accountability 76.9%<br />
Comments:<br />
Element Concentration (wt.%)<br />
Sample ID<br />
Al As Ba Bi Ca Ce Cr Fe K Mg Mn Mo P Pb S Si Sr Th Ti<br />
U<br />
(ppm)<br />
U3O8 (ppm)<br />
V Y Zr<br />
Head 1.38 0.024 0.009
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