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 LC10 B High Temperature Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002604<br />
pH 1.5 Solids: 1000 g Garee (Redtree) Composite <strong>Leach</strong> Duration: 24 h ICP/MS Request No: 1002604<br />
<strong>Leach</strong> Liquor Matrix: 818 g Sydney Tap Water Temperature: 50ºC XRF Request No: 1002682<br />
Slurry: 55% ORP: 500 mV<br />
DNA Request No: 1002682<br />
Fe Addition: none pH: 1.5 Date: 26/08/10<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<br />
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 />
LC10 B1 2 50 1.5 500 10.0 5.3 6 0.93 221 87.0 325 185 155 1590 1082 133 94 360 189 30 3860 313 1320 7<br />
LC10 B2 4 50 1.5 501 12.6 4.0 9 1.21 106 93.8 419 187 148 1990 1453 151 125 429 221 32 4530 381 1340 8<br />
LC10 B3 8 50 1.44 501 15.9 5.3 12 1.57 61 96.4 631 220 167 2980 2182 207 185 591 289 39 6450 570 1470 10<br />
LC10 B4 12 50 1.37 500 19.0 6.7 14 1.82 50 97.0 822 237 176 3660 2571 240 235 694 339 41 7720 652 1420 11<br />
LC10 B5 24 50 1.53 476 19.0 3.5 16 1.82 41 97.6 1060 227 177 4410 2364 289 285 694 336 42 8120 613 1480 13<br />
24 h MS 1521 14<br />
U Accountability 82.3%<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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