Research Article
Online NIR Analysis and Prediction Model for Synthesis Process of Ethyl 2-Chloropropionate
Table 1
The results of internal standard method.
| Sample number | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Molar ratio of ester and acid (/) | 1.6658 | 0.4438 | 0.1177 | 0.0666 | 0.0362 | 3.4390 | 19.1854 | Peak area ratio of ester and acid (/) | 4.1061 | 1.1018 | 0.2755 | 0.1462 | 0.0792 | 8.9226 | 7.3567 |
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