These papers are preprints of accepted manuscripts currently undergoing the editing process. Please feel free to cite them as published preprints. The preprint version of the paper will be replaced by the copy edited, typeset and proofread version as soon as it is available, and associated with the same digital object identifier (DOI).

Influence de l’ion ferreux et du metabisulfite de sodium sur la lixiviation acide des minerais oxydes cupro-cobaltiferes
S. Y. Tshipeng and A. T. Kaniki