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• • • <br />Project: Cripple Creek Hydrogeochemistry LIME TITRATION Date: 4/8/2008 <br />Task: Neutralization of Pyrite Oxidation Product Page 7-2 <br />T: 604-224-4331 F. 604-274-0540 info(c)Vizonsciieccom www.vizaristile(.com <br />Vito" SciTec Inc 3650 Wesbrook Mall Vancouver, BC Conoda V6S 21-2 `_/ , Z 0 N <br />S C I T E C <br />Test 3: Titrations Using 0.05N Ca(OH)2 Solution (ie. 0.025M) <br />Initial (cold) pH was recorded then the solution was warmed to 200C before commencing titrations <br />2) Sample B (Granitic), cold pH = 2.83 <br />0.05N Ca(OH)2 <br />(ml) Target pH <br />0.0 2.59 <br />34.5 3.00 <br />57.8 3.50 <br />61.5 4.00 <br />63.6 4.50 <br />66.1 5.00 <br />67.4 5.50 <br />68.4 6.00 <br />69.5 6.50 <br />71 4 7.00 <br />73.3 7.50 <br />B - Granitic <br />&00 <br />7.00 <br />6.00 <br />5 00 <br />is 4,00 <br />3.00 <br />2 00 <br />1 00 <br />0.00 <br />00 <br />Adrian Brown Consultants, Inc. <br />10.0 20.0 300 400 500 60.0 700 80.0 <br />Ca(OH)2 (mL)