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