Fig. 1.From: Infrared spectra of soil organic matter under a primary vegetation sequenceFTIR spectra of soil samples from the H and B horizons of profile II. H-Total = whole soil sample; H-Humin = soil residue after alkaline extraction; B-Humin = soil residue after alkaline extraction. Vertical scale indicates absorbance. Spectra normalized to equal vertical scaleBack to article page