Simultaneous Determination of Nine Active Compounds of the Traditional Chinese Medicinal Prescription Shaoyao-Gancao-Tang and Analysis of the Relationship between Therapeutical Effect and Compatibility of Medicines

Table 2

The binary gradient elution system.

Time (min)	0~5	5~12	12~15	15~20	20~25	25~30	30~40	40~50	50~60
A: acetonitrile (%)	5~10	10~14	14~16	16~18	18~20	20~22	22~25	25~40	40~55