To choose the most efficient method and ore beneficiation flow diagram, it is important to know physical and chemical properties of ore concentrates. The feasibility of application of the 63,65Cu nuclear magnetic resonance (NMR) method in a local field aimed at studying the properties of copper ore concentrates in the copper–iron–sulfur system is demonstrated. 63,65Cu NMR spectrum is measured in a local field for a copper concentrate sample and relaxation parameters (times T1 and T2) are obtained. The spectrum obtained was used to identify a mineral (chalcopyrite) contained in the concentrate. Based on the experimental data, comparative characteristics of natural chalcopyrite and beneficiated copper concentrate are given. The feasibility of application of the NMR method in a local field to explore mineral deposits is analyzed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 31–35, September, 2014.
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Gavrilenko, A.N., Starykh, R.V., Khabibullin, I.K. et al. 63,65Cu NMR Method in a Local Field for Investigation of Copper Ore Concentrates. Russ Phys J 57, 1184–1188 (2015). https://doi.org/10.1007/s11182-015-0361-8
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DOI: https://doi.org/10.1007/s11182-015-0361-8