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Review article

https://doi.org/10.5513/JCEA01/16.1.1535

Recent applications of vibrational mid-Infrared (IR) spectroscopy for studying soil components: a review

Anna TINTI ; Department of Biomedical and Neuromotor Sciences, Via Belmeloro 8/2, 40126 Bologna, Italy
Vitaliano TUGNOLI ; Department of Biomedical and Neuromotor Sciences, Via Belmeloro 8/2, 40126 Bologna, Italy
Sergio BONORA ; Department of Biomedical and Neuromotor Sciences, Via Belmeloro 8/2, 40126 Bologna, Italy
Ornella FRANCIOSO ; Department of Agricultural Sciences, V.le G. Fanin 40, 40127 Bologna, Italy


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Abstract

The present review highlights the recent applications of mid-infrared spectroscopy and in particular of diffuse reflectance spectroscopy (DRIFT) and attenuated total reflectance (ATR) and processing methods (e.g., deconvolution, derivative and chemometrics) to rapidly provide valuable information on soil composition and organic geochemistry. Research has demonstrated that both DRIFT and ATR techniques can be considered useful tools for the analysis of a large number of soil samples, giving not only typical spectral patterns but permitting an accurate prediction of quantitative parameters such as, e.g., total carbon, total nitrogen, C/Nratio, lignin, dissolved OC, carbonyl-C, aromatic-C, O-alkyl-C, and alkyl-C contents.Based on literature results, infrared spectroscopy can be recognized as one of the most promising analytical techniques for investigating soil science.

Keywords

attenuated total reflection, chemometrics, diffuse reflectance infrared Fourier transform, humic substances, mid-infrared spectroscopy, soil minerals, soil organic matter

Hrčak ID:

141299

URI

https://hrcak.srce.hr/141299

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