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

Table 1

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

Concentration (ng/mL)	Precision (RSD%)		Accuracy (%)		Recovery (%)	Matrix effect (%)
	Intraday	Interday	Intraday	Interday
2	10.0	10.4	99.1	95.4	72.6	108.7
90	7.9	5.6	94.3	111.8	73.3	103.8
900	6.0	7.9	108.7	94.8	74.9	104.3