A New Validated Stability Indicating RP-HPLC Method for Simultaneous Estimation of Pyridoxine Hydrochloride and Meclizine Hydrochloride in Pharmaceutical Solid Dosage Forms

Table 5

Intra-day and inter-day precision of the method.

	Sample Conc. (%)	Peak area; (day 1)	Peak Area; (Mean ±  %RSD)	Peak area; (day 2)	Peak Area; (Mean ±  %RSD)	Overall; (Mean ±  %RSD)
PYH		2802395		2804067
	80	2803486	2803478±0.04	2804588	2804395±0.01	2803937±0.03
		2804553		2804530
		3484270		3485121
	100	3487551	3485861±0.05	3487734	3486142±0.04	3486001±0.04
		3485761		3485570
		4181755		4180232
	120	4181438	4182542±0.04	4181345	4181749±0.04	4182145±0.04
		4184432		4183670
MEH		1084378		1084421
	80	1084566	1084599±0.02	1084666	1084530±0.01	1084565±0.02
		1084854		1084502
		1346372		1345207
	100	1345756	1346558±0.06	1345391	1345681±0.04	1346120±0.06
		1347547		1346445
		1625634		1623245
	120	1623340	1624784±0.08	1623167	1623586±0.04	1624185±0.07
		1625378		1624345