Monitoring of CO₂ Absorption Solvent in Natural Gas Process Using Fourier Transform Near-Infrared Spectrometry

Table 2

Range, R², RMSECV, and factor for different models of amine, CO₂, and water.

Model	Range	R^2	RMSECV	Factor
Amine	4543.96–5261.42,	99.55	0.75	4
	6248.91–7143.81 cm^−1
CO2	4999.12–5554.58,	99.02	0.25	5
	6665.50–7143.81 cm^−1
Water	5261.42–5400.29,	99.15	1.02	4
	6796.65–7143.81 cm^−1