Research Article

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

Table 4

Results of precision study (interday).

SampleConc (PPM)Injection no.Peaks areaRSD (acceptance criteria 2.0)

Pizotifen251146180.5
2142312.7
3143153.81.07
4145268.1
5143858.6
6145253.9