Table 4 Extraction recovery evaluation of SAX and 5-OH SAX
Analytes | Norminal concentration (ng/mL) | Extraction recovery (n = 5) (%) | ||
|---|---|---|---|---|
Mean | SD | RSD | ||
SAX | 15 | 82.58 | 3.41 | 4.13 |
1000 | 93.37 | 2.07 | 2.22 | |
2000 | 92.96 | 2.31 | 2.48 | |
5-OH SAX | 3 | 96.18 | 3.18 | 3.30 |
200 | 91.86 | 2.80 | 3.05 | |
400 | 89.27 | 3.90 | 4.37 | |
VIL | 150 | 92.19 | 1.91 | 2.07 |