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Resu <br />and dtscuss9on- <br />were performed on three samples of ore, two sam <br />f S <br />of overburden, a <br />Tests! <br />bia4l, <br />and a sample of pyrite ore obtained from the Ma <br />I <br />rphy Mine in Colorado. <br />i <br />paste <br />Test(pH) <br />Neutralization <br />Potential (male <br />Acid <br />Poten <br />ng <br />Commwnts <br />H + /100Kg) <br />(COCO <br />000 <br />torn <br />Ore Sample <br />7.4 <br />30.1 <br /><0.1 <br />I ; <br />(APP)- pH <br />1 <br />I, <br />after <br />washings7.1, <br />j <br />adding 30% <br />r <br />H202 <br />produced no <br />reaction; see <br />S <br />note 1 <br />Ore <br />ple <br />7.2 <br />28.+6 <br /><0.1 <br />See above <br />2 i <br />Ore <br />Umple <br />7.4 <br />31 <br /><0.1 <br />See above <br />rden <br />7.5 <br />33 <br /><0.1 <br />i <br />t; <br />See above <br />Swn0l* <br />1 <br />rden <br />7.4 <br />32.6 <br /><0.1 <br />See above <br />2 <br />7.0 0 0 <br />M 3.1 _ 0 107 <br />{ (APP)- PH <br />Su"W <br />i . after <br />washinr2.5, <br />adding 30% <br />H2O2 <br />S produced <br />!:I vigorous <br />} exothermic <br />nm; see note <br />Mute 1: M io acid producing mate�als (i.e. sutfides) <br />found The Sleet <br />Peroxide <br />Rose Mine to date. In the APP test, introduction of <br />other than creating an oxi"T* <br />on in all mine <br />resulted in no reaction <br />samples; oxidising character persisted after 24 hrs. <br />Note 2: In the APP test, addition of H2O2 produced an <br />mediate, vigorous and <br />f the solution <br />reaction; in addition the oxidizing cha <br />;, <br />exothermic <br />disappeared after cooling. <br />m-o 'i" fi <br />S88 n. aS <br />� r� 4 N- � <br />i! l vwr•1� -- y o �t,: <br />