A Validated RP-HPLC Method for the Estimation of Pizotifen in Pharmaceutical Dosage Form

Table 5

Mean percentage recovery.

Level	Amount of Pizotifen spiked (ppm)	Amount of Pizotifen recovered (ppm)	% recovery	Mean % recovery	% RSD	Mean % RSD
25%	5	4.97	99.4
	5	5.02	100.4
	5	4.98	99.6		0.53
50%	10	10.01	100.1
	10	9.99	99.9	99.92994		0.2603
	10	9.98	99.8		0.15
75%	15	14.99	99.93
	15	15.02	100.13		0.101
	15	15.01	100.06