Evaluation of the natural fertilizing potential of basalt dust wastes from the mining district of Nova Prata (Brazil) von Nunes, J.M.G., Kautzmann, R.M., Oliveira, C.

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Extraction studies of aurocyanide using Macronet adsorbents: physico-chemical characterization von Cortina, J.L., Kautzmann, R.M., Gliese, R., Sampaio, C.H.

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Kinetics of goldcyanide extraction using ion-exchange resins containing piperazine functionality von Cortina, J.L, Warshawsky, A, Kahana, N, Kampel, V, Sampaio, C.H, Kautzmann, R.M

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Technological characterization of riacho dos machados gold ore for cyanide leaching and study of the utilization of oxidising agents von Sampaio, C.H., Petter, C.O., Kautzmann, R.M., Klein, S.L.

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The use of fibrous ion exchangers in gold hydrometallurgy von Kautzmann, R M, Sampaio, C H, Cortina, J L, Soldatov, V, Shunkevich, A

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