Online NIR Analysis and Prediction Model for Synthesis Process of Ethyl 2-Chloropropionate

Table 2

Results of PLSR model with different NIR regions.

Wavelength range (nm)	Slope	Offset	RMSE
Full range	0.9896	0.006853	0.02479	0.9896
900–1000	0.9795	0.013522	0.03481	0.9795
900–1240	0.9723	0.018333	0.04054	0.9723
1000–1240	0.9926	0.004884	0.02092	0.9926
1000–1100	0.9900	0.006602	0.02433	0.9900
1100–1200	0.9835	0.010941	0.03132	0.9835
1200–1300	0.9880	0.007965	0.02672	0.9880
1300–1400	0.9899	0.006665	0.02444	0.9899
1400–1500	0.9777	0.014765	0.03638	0.9777
1500–1600	0.9806	0.012825	0.03391	0.9806
1600–1700	0.9723	0.018333	0.04054	0.9723