From: Quality assessment on Polygoni Multiflori Caulis using HPLC/UV/MS combined with principle component analysis
Analyte
Calibration curvea
R 2
Linear range (mg/L)
LODb(ng/mL)
LOQc(ng/mL)
1
y = 29885 x - 210960
0.9990
0.404-252.5
98.08
404.03
2
y = 38332 x + 23549
0.9999
0.0443-138.325
44.26
180.56
3
y = 22565 x - 1352.2
0.9997
0.123-15.4
56.77
132.20