A new gas chromatographic method development and validation for the simultaneous determination of ibuprofen and caffeine in bulk and pharmaceutical dosage form

Future Journal of Pharmaceutical Sciences

Table 3 Accuracy and precision for the determination of IBU and CAF

Analyte	Nominal value (μg/mL)	Found value^a (μg/mL)	%Recovery	%RSD
Intra-day
IBU	3200	3237.80	101.18	0.49
	4000	4004.32	100.11	0.70
	4800	4812.23	100.25	0.93
CAF	520	518.72	99.75	1.14
	650	645.94	99.37	0.90
	780	774.88	99.34	0.49
Inter-day
IBU	3200	3233.76	101.05	1.75
	4000	4016.49	100.41	1.69
	4800	4718.18	98.30	1.10
CAF	520	511.66	98.40	1.75
	650	649.17	99.87	1.36
	780	779.52	99.94	1.55