Comparative study of historical woods from XIX century by thermogravimetry coupled with FTIR spectroscopy

Giuseppe Cavallaro, Giuseppe Lazzara, Lorenzo Lisuzzo, Aurelio Agliolo Gallitto, Giuseppe Cavallaro, Giuseppe Cavallaro, Giuseppe Lazzara

Risultato della ricerca: Articlepeer review

4 Citazioni (Scopus)


Thermal and structural properties of historical woods from apparatuses of the Historical Collection of the Physics Instruments of the University of Palermo have been investigated by FTIR spectroscopy coupled with thermogravimetric analysis. Specifically, the wooden portions of apparatuses from XIX century have been studied. The investigated woods belong to different taxa (Swietenia mahagoni, Picea abies and Juglans regia). The thermal behavior of the wooden materials has been successfully interpreted on the basis of specific indexes determined by the quantitative analysis of the FTIR spectra. The kinetics of the wood pyrolysis have been investigated by using a non-isothermal approach based on model-free isoconversional procedures, such as Kissinger–Akahira–Sunose (KAS) and Friedman methods. Interestingly, the activation energy of the pyrolysis process reflects both the peculiar composition (related to the specific wooden taxon) and the conservation state of the historical woods. In this regards, we estimated that the average activation energies obtained from KAS analysis are 203, 156 and 43 kJ mol−1 for Swietenia mahagoni, Picea abies and Juglans regia woods, respectively. The thermogravimetric parameters have been correlated to the lignin index of the woods by proper experimental equations, which can be considered as a novel protocol to estimate the preservation conditions of historical woods from different taxon.
Lingua originaleEnglish
pagine (da-a)8853-8865
Numero di pagine13
Stato di pubblicazionePublished - 2019

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