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

Table 4

The results of model verification.

Number	(mol/L)	(mol/L)	Predicted recovery	Absolute deviation	Relative deviation
1	0.150	0.141	106.38%	0.009	6.38%
2	0.209	0.216	96.76%	−0.007	−3.24%
3	0.290	0.275	105.45%	0.015	5.45%
4	0.384	0.385	99.74%	−0.001	−0.26%
5	0.463	0.442	104.75%	0.021	4.75%
6	0.440	0.464	94.83%	−0.024	−5.17%
7	0.564	0.541	104.25%	0.023	4.25%
8	0.651	0.680	95.74%	−0.029	−4.26%
9	0.592	0.677	87.44%	−0.085	−12.56%
10	0.750	0.706	106.26%	0.0442	6.26%
11	0.803	0.746	107.64%	0.057	7.64%
12	0.738	0.760	97.11%	−0.022	−2.89%
13	0.764	0.788	96.95%	−0.024	−3.05%
14	0.836	0.809	103.34%	0.027	3.34%
15	0.879	0.821	107.06%	0.058	7.06%
16	0.928	0.870	106.67%	0.058	6.67%
17	0.837	0.894	93.62%	−0.057	−6.38%
18	0.816	0.883	92.41%	−0.067	−7.59%
19	0.941	0.917	102.62%	0.024	2.62%
20	0.926	0.893	103.70%	0.033	3.70%
21	0.875	0.901	97.11%	−0.026	−2.89%

Note: absolute deviation = .
Relative deviation = () × 100%/.
Predicted recovery = %/.