Rapid Determination of Pachymic Acid Content by Near-Infrared Spectroscopy

Table 1

LC time program.

t/min	Acetonitrile (%)	0.04% acetic acid solution (%)
0	50	50
5	55	45
12	60	40
15	65	35
19	70	30
25	75	25
30	75	25
35	100	0