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Partial least-squares near-infrared determination of hydrocarbons removed from polluted waters by using tanned solid wastes

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Abstract

A new procedure has been developed for the determination of hydrocarbons retained in solid tanned wastes from polluted waters. The method uses near-infrared (NIR) transmission spectra obtained from leachates of the hydrocarbons with CCl4 using a partial least-squares (PLS) calibration model based on the use of mixtures of n-hexane, isooctane, and toluene diluted with CCl4. This methodology was applied to the evaluation of the absorption capacity of chrome shavings in water samples polluted with hydrocarbons, resulting in a maximum absorption capacity of 6.30 g hydrocarbons per g solid waste.

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Acknowledgement

Authors acknowledge the financial support of AECI (Agencia Española de Cooperación Internacional), Project 128/04/R/M.

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Correspondence to M. de la Guardia.

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Gammoun, A., Moros, J., Tahiri, S. et al. Partial least-squares near-infrared determination of hydrocarbons removed from polluted waters by using tanned solid wastes. Anal Bioanal Chem 385, 766–770 (2006). https://doi.org/10.1007/s00216-006-0431-4

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  • DOI: https://doi.org/10.1007/s00216-006-0431-4

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