Figure 6

Predicted versus observed w% of DEHP and DOTP for ATR FTIR and numerically differentiated NIR models. Greater linearity indicated by higher R2 and lower RMSEP values indicates a greater predictive power using ATR FTIR spectra.

Predicted versus observed w% of DEHP and DOTP for ATR FTIR and numerically differentiated NIR models. Greater linearity indicated by higher R2 and lower RMSEP values indicates a greater predictive power using ATR FTIR spectra.