Table 2.
Comparison between the performance data of IELC and UHP-IELC for the separation of acetic acid (AA), salicylic acid (SA), and acetylsalicylic acid (ASA).
| Parameter | IELC | UHP-IELC | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| AA | SA | ASA | AA | SA | ASA | |
| Range (ppm) | 80-560 | 8-56 | 8-56 | 80-560 | 8-56 | 8-56 |
| LOD (ppm) | 1.437 | 0.004 | 0.023 | 2.261 | 0.006 | 0.027 |
| LOQ (ppm) | 4.789 | 0.014 | 0.078 | 7.536 | 0.021 | 0.090 |
| %R.S.D. | 0.71 | 0.79 | 1.78 | 0.4 | 1.32 | 0.37 |
| Slope | 0.17 | 47.07 | 11.94 | 0.17 | 50.23 | 7.87 |
| Intercept | 10.77 | - 10.55 | 45.349 | 0.78 | 48.05 | - 24.16 |
| Correlation coefficient | 0.987 | 0.989 | 0.992 | 0.990 | 0.991 | 0.986 |
| n | 6 | 6 | 7 | 6 | 6 | 7 |