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Table 2 Mean recovery of chlorpheniramine maleate, paracetamol and caffeine from the ternary mixture

From: Validated RP-HPLC method for simultaneous determination and quantification of chlorpheniramine maleate, paracetamol and caffeine in tablet formulation

Chlorpheniramine maleate			Paracetamol			Caffeine
Amount injected (µg/mL)	Amount recovered (µg/mL)	% Recovery	Amount injected (µg/mL)	Amount recovered (µg/mL)	% Recovery	Amount injected (µg/mL)	Amount recovered (µg/mL)	% Recovery
6	6.17	102.80	120	118.09	98.40	12	12.09	100.50
8	7.89	98.60	160	156.61	97.09	16	15.77	98.60
10	10.09	100.90	200	200.89	100.50	20	5.07	101.30
		∑ = 100.76 SD = 2.10			∑ = 98.66 SD = 1.72			∑ = 100.13 SD = 1.39

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