Fig. 6From: Development and validation of chemometric-assisted spectrophotometric models for efficient quantitation of a binary mixture of supportive treatments in COVID-19 in the presence of its toxic impurities: a comparative study for eco-friendly assessmentOriginal spectra and estimated spectra by MCR-ALS of a PAR, b HYO, c PNP, d PCA, e TRO, f PNPBack to article page