Laserfiche WebLink
• • • <br />Project: Cripple Creek Hydrogeochernistry CAUSTIC SODA TITRATION Date: 4/8/2008 <br />Task: Neutralization of Pyrite Oxidation Product Page 8-3 <br />T-. 604 224-4331 _ F_ 604-224-0540 in(oCcDvizons(iteccom www.vizonsciteuom <br />W v. Vizon SoTec Inc. 3650 Wesbrook Mall Vancouver, BC Canada V6S 2L2 , Z O M <br />\ S C I T E C <br />Test 4: Titrations Using 0.10N NaOH Solution <br />Initial (cold) pH was recorded then the solution was warmed to 20aC before commencing titrations <br />3) Sample C (Combined), cold pH = 2.59 <br />C -Combined <br />0.10N NaOH <br />ml Target pH <br />0.0 2.47 <br />4.9 2.50 <br />40.8 3.00 <br />52.9 3.50 <br />56.1 4.00 <br />60.2 4.50 <br />61.5 5.00 <br />62.4 5.50 <br />63.5 6.00 <br />64.9 6.50 <br />66.3 7.00 <br />67.5 7.50 <br />eoc -- - - <br /> <br />r 00 <br /> <br />6 00 --- <br />n 4 rK. <br />3 ou -- <br />2.00 <br />1-00 <br />_I <br />1u n ?rr n 30 0 4G 0 Sa o rr; p 70 0 aau <br />NaOH (mL) <br />Adrian Brown Consultants, Inc.