Spiked conc. (µg/mL) Mean response ± SD Intra-run (RSD%)
2 57164.4 ± 793.907 1.38
4 74595.83± 1288.45 1.72
10 221093.3 ± 3629.48 1.64
100 158255.2 ± 1668.99 1.05
200 296663 ± 2399.00 0.80
300 428491 ± 1244.61 0.29
400 887793.1 ± 7134.58 0.80
500 1122905 ± 8527.87 0.75
Table 3: Repeatability (Intra-run precision). SD: Standard deviation; RSD: Relative standard deviation.