Abstract
The distribution coefficients of minor elements Co, Ni, Zn, Pb, Bi, Sn, Sb, As, Te, Se, Ga, Ge, and In between slag, matte, and spinel phases in industrial copper converting slag samples have been determined by the microanalysis method using the combination of electron probe microanalysis (EPMA) with laser-ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The major factors affecting analysis accuracy, including analysis precision, detection limits, background correction, beam damage, and standard selection, are discussed. The determined minor elements distributions show good consistency with most recently published literature data. The present study demonstrates that minor element distributions with precision close to that of controlled laboratory studies could be obtained by direct measurement of plant samples upon careful sampling, microstructural examination, and the application of customized analytical routines. The advantages and limitations of using microanalysis techniques for industry slag assay are also discussed.
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Acknowledgements
The authors thank Dr. Denis Shishin for valuable discussion and the anonymous reviewers for constructive comments. The authors acknowledge the facilities of Microscopy Australia at the Centre for Advanced Microscopy, Australian National University, a facility that is funded by the university and the Federal Government.
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Chen, J., Fallah-Mehrjardi, A., Specht, A. et al. Measurement of Minor Element Distributions in Complex Copper Converting Slags Using Quantitative Microanalysis Techniques. JOM 74, 185–194 (2022). https://doi.org/10.1007/s11837-021-04920-7
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DOI: https://doi.org/10.1007/s11837-021-04920-7