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The effect of UV–visible light irradiation on the changes in colour and chemical composition of the surfaces of Pinus roxburghii (chir pine, a softwood) and Hevea brasiliensis (rubber wood, a hardwood) was studied. Analysis of colour changes in wood surfaces during photodegradation was carried out by measuring CIELAB parameters (L*, a*, b* and ΔE*). FTIR and fluorescence spectroscopy were used to...
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