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 LC11 A Very Fine Grind (75 µm) Lagoon Creek Uranium Project Oxidant: 10% Sodium Permanganate ICP/OES Request No: 1002725<br />
pH 1.5 Solids: 1000 g Junnagunna <strong>Leach</strong> Duration: 24 h ICP/MS Request No: 1002725<br />
<strong>Leach</strong> Liquor Matrix: 818 g Sydney Tap Water Temperature: 40ºC XRF Request No: 1002789<br />
Slurry: 55% ORP: 500 mV<br />
DNA Request No: 1002789<br />
Fe Addition: none pH: 1.5 Date: 7/09/10<br />
Sample ID<br />
Uranium<br />
<strong>Leach</strong> Conditions<br />
ppm Ext'n<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<br />
Fe K<br />
Mn Na P<br />
3+<br />
Solution Assays (mg/L)<br />
Fe<br />
Mg<br />
(h) (°C) (mV) (kg/t) (g/L H 2SO 4) (kg/t) (kg/t)<br />
Head 1370<br />
LC11 A1 2 40 1.49 499 12.1 4.3 9 0.99 150 89.1 351 31 345 2000 1390 136 204 377 229 35 4560 458 1020 18<br />
LC11 A2 4 40 1.51 500 13.9 4.1 11 1.27 76 94.5 397 32 343 2390 1708 146 221 449 253 36 4950 492 1030 19<br />
LC11 A3 8 40 1.5 500 15.4 4.3 12 1.46 51 96.3 545 39 390 3160 2391 180 282 616 321 41 6480 604 1150 24<br />
LC11 A4 12 40 1.5 500 17.0 4.4 13 1.60 38 97.2 633 42 408 3720 2762 200 312 691 348 44 7240 614 1200 28<br />
LC11 A5 24 40 1.46 486 19.8 4.3 16 1.60 27 98.1 830 43 409 4360 2734 214 387 677 342 47 8080 756 1190 33<br />
24 h MS 1245 29<br />
U Accountability 83.3%<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 1.53 0.004 0.012
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