Fig. 3From: Prediction of cellulose nanofibril (CNF) amount of CNF/polypropylene composite using near infrared spectroscopyThe result of principal component analysis (PCA) for SNV-NIR spectra with all CNF/PP composites: a principal component (PC)1 and PC2 score plots, b loading plots of PC1 and PC2. The details of sample conditions are shown in Table 1Back to article page