Fig. 6From: Bacillus aryabhattai TFG5-mediated synthesis of humic substances from coir pith wastesFTIR spectra of the functional groups of coir pith biomass. The spectral data were recorded at the rate of 64 scans/s from 400 to 4000 cm−1. The intensities of transmittance showed increased concentrations of the products releasedBack to article page