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Chromatography Research International
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Special Issues
Chromatography Research International
/
2013
/
Article
/
Tab 4
/
Research Article
A New Validated Stability Indicating RP-HPLC Method for Simultaneous Estimation of Pyridoxine Hydrochloride and Meclizine Hydrochloride in Pharmaceutical Solid Dosage Forms
Table 4
Accuracy studies of PYH and MEH in drug-matrix solutions.
Amount added
(mg mL
−1
)
Peak area
Amount recovered
(mg mL
−1
)
% Recovery
% Recovery
(mean ± %RSD)
Over all
(mean ± %RSD)
PYH
0.395
2804505
0.392
99.24
0.395
2805301
0.402
101.65
0.395
2804670
0.402
101.65
0.494
3481689
0.497
100.71
0.494
3487433
0.495
100.20
0.494
3485039
0.498
100.81
0.592
4181905
0.595
100.51
0.592
4181507
0.590
99.66
0.592
4183455
0.583
98.48
MEH
0.203
1084674
0.207
101.88
0.203
1084350
0.206
101.64
0.203
1085947
0.207
101.88
0.252
1345809
0.253
100.38
0.252
1342589
0.252
99.81
0.252
1348349
0.252
99.81
0.304
1624589
0.308
101.41
0.304
1623470
0.308
101.25
0.304
1625347
0.302
99.22