Research Article
Particle Formation by Supercritical Fluid Extraction and Expansion Process
Table 1
Test results of stearic acid by HPLC-ELSD.
| No. | Experimental condition | Peak time (min) | Peak area | Purity (%) |
| 1 | Standard substance | 5.4 | 12325 | 99.8 | 2 | Raw material | 5.1 | 8169.3 | 66.1 | 3 | SFEE, 15 MPa, 333 K | 5.1 | 6721.4 | 54.4 | 4 | SFEE, 20 MPa, 333 K | 5.2 | 10504.8 | 85.1 | 5 | SFEE, 30 MPa, 333 K | 5.1 | 10463.5 | 84.7 | 6 | SFEE, 35 MPa, 333 K | 5.1 | 8879.6 | 71.9 | 7 | SFEE, 15 MPa, 348 K | 5.1 | 8715 | 70.6 | 8 | SFEE, 20 MPa, 348 K | 5.1 | 8530.6 | 69.1 | 9 | SFEE, 30 MPa, 348 K | 5.1 | 7973.9 | 64.6 | 10 | SFEE, 35 MPa, 348 K | 5.1 | 9449.2 | 76.5 |
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