Table 4 Linearity study results
Linearity level (%) | Concentration (µg/mL) | Response (peak area) | ||
|---|---|---|---|---|
TLS | RST | TLS | RST | |
50 | 99.9073 | 23.6841 | 316,671 | 61,762 |
75 | 149.8609 | 35.5261 | 477,572 | 92,815 |
100 | 199.8145 | 47.3681 | 635,827 | 124,256 |
125 | 249.7682 | 59.2102 | 793,079 | 157,100 |
150 | 299.7218 | 71.0522 | 954,313 | 189,386 |
Squared correlation coefficient (R2); ≥ 0.995 | 1.000 | 0.999 | ||
(Y-intercept/response at 100% standard concentration) × 100; ≤ 3.0% | 0.13 | 2.21 | ||