Figure 2.
NIR spectrum of polystyrene. The NIR spectra were divided into 3 regions; region 1 (4000-5000 cm-1), region 2 (5000-7000 cm-1) and region 3 (7000-9000 cm-1)
NIR spectrum of polystyrene. The NIR spectra were divided into 3 regions; region 1 (4000-5000 cm-1), region 2 (5000-7000 cm-1) and region 3 (7000-9000 cm-1)