A High-Performance Liquid Chromatography:Chemiluminescence Method for Potential Determination of Vardenafil in Dietary Supplement

Table 2

The effect of mobile phase flow rate on 𝑡_𝑅, S/N and P.

flow rate (mL/min)	0.3	0.5	0.7	0.8	0.9
𝑡𝑅 (min)	17.2	10.4	7.4	6.4	5.8
S/N	5.0	6.1	7.0	8.3	5.6
P (Mpa)	4.2	7.3	10.0	12.3	13.8