Development of a Method for Rapid Determination of Morpholine in Juices and Drugs by Gas Chromatography-Mass Spectrometry

Table 2

Recovery and precision of three spiked levels.

Sample	Spiked concentration (g·L^−1)	Recovery (%)	Intraday repeatability (%)	Interday reproducibility (%)
Apple juice	50	109.0	4.4	5.2
	200	94.3	2.3	4.8
	400	98.4	3.3	5.0
Ibuprofen	50	96.0	4.4	3.3
	200	100.9	2.5	7.0
	400	107.9	2.0	5.5