From: Determination of the barakol content of mature leaves, young flowers of Senna siamea (Lam.) Irwin and Barneby and in the herbal recipes
Condition
Variation
%RSD of peak area
%RSD of retention time
Flow rate (mL/min)
0.8
0.32
0.29
1.0
0.11
0.02
1.2
1.13
0.04
Column temp. (°C)
23
0.98
25
27
Wavelength (nm)
243
0.06
245
247