Pharmacokinetic Interaction Study of Ketamine and Rhynchophylline in Rat Plasma by Ultra-Performance Liquid Chromatography Tandem Mass Spectrometry

Table 2

Precision, accuracy, and recovery of rhynchophylline in rat plasma (n = 6).

Concentration (ng/mL)	Precision (RSD%)		Accuracy (%)		Recovery (%)	Matrix effect (%)
	Intraday	Interday	Intraday	Interday
2	12.5	13.3	110.2	90.4	68.0	102.7
180	9.7	7.9	93.3	103.6	66.2	100.1
900	4.7	11.2	100.4	104.2	69.9	98.8