Research Article

Rapid Determination of Three Organic Acids in Polygonum Vivipari Rhizoma via One Marker by HPLC-UV at Equal Absorption Wavelength and Effervescence-Assisted Matrix Solid-Phase Dispersion

Table 2

Precision, repeatability, and stability of the analytes.

AnalytesPrecision (RSD %)Repeatability (RSD %, n = 6)Stability (RSD %, 24 h)
Intraday (n = 6)Interday (n = 6)

Neochlorogenic acid0.360.850.630.27
Chlorogenic acid0.560.540.580.38
Cryptochlorogenic acid1.281.121.610.67