Table 2: Limit of detection.

Injection numberDrug (area)P/A ratioT.PT.FResolution

0141030.00491266091.211.17
0241860.00506268451.2311.28
0342410.00512367871.2611.03
0443600.00522769121.1511.32
0542380.00504869741.2211.3
0642630.00513268741.211.27

Mean4231.830.00516833.51.2111.22833
S.D85.110.0001126.67870.0368780.110167
RSD2.012.08031.853793.0477830.981148