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The rate of dissolution was far more fast in ferric sulphate than in ferric chloride at 35° C., nevertheless the rates ended up virtually a similar at 98° C. Covellite dissolved in sulphuric acid from the existence of excess atmospheric oxygen about half as swiftly as in ferric sulphate. I http://montage-recovery-solution69246.tblogz.com/about-heap-leaching-tucson-8806098


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