Development of a model for serpentine quantification in nickel laterite minerals by infrared spectroscopy

Basile, Andrew, Hughes, Jeffrey, McFarlane, Angus J. and Bhargava, Suresh K. 2010, Development of a model for serpentine quantification in nickel laterite minerals by infrared spectroscopy, Minerals engineering, vol. 23, no. 5, pp. 407-412, doi: 10.1016/j.mineng.2009.11.018.

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Title Development of a model for serpentine quantification in nickel laterite minerals by infrared spectroscopy
Author(s) Basile, AndrewORCID iD for Basile, Andrew
Hughes, Jeffrey
McFarlane, Angus J.
Bhargava, Suresh K.
Journal name Minerals engineering
Volume number 23
Issue number 5
Start page 407
End page 412
Total pages 6
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2010-04
ISSN 0892-6875
Keyword(s) diffuse reflectance infrared fourier
transform spectroscopy
ore mineralogy
oxide ores
mineral processing
partial least squares
Summary An investigation into the possibility of using infrared techniques to quantify serpentine in nickel laterite ores was carried out. Results obtained from this preliminary study confirmed that high confidence in serpentine content prediction is possible obtaining RMSEP and R2 values of 1.76 and 0.97 respectively. One hundred and forty mineral mixtures simulating limonite, transition and saprolite horizons of a Western Australian nickel laterite deposit were prepared. Diffuse reflectance infrared Fourier transform spectroscopy spectra obtained from these mixtures were used as a training set to prepare a quantitative model for serpentine content using Partial least squares multivariate analysis. The model in turn was validated by predicting the serpentine content of 20 synthetic mixtures with confidence. The model was applied to 10 natural ores from various deposits, diversity between the synthetic and natural ore assemblages meant the analysis was qualitative. Model development using real ore samples would be required to enable incorporation of the intrinsic properties of the natural serpentine and the ore mineralogy in general.
Language eng
DOI 10.1016/j.mineng.2009.11.018
Field of Research 091404 Mineral Processing/Beneficiation
030101 Analytical Spectrometry
0914 Resources Engineering And Extractive Metallurgy
0904 Chemical Engineering
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2009, Elsevier
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