Development and Validation of High Performance Liquid Chromatography Method for Simultaneous Estimation of Ambroxol and Doxofylline in Their Combined Tablet Dosage Form

Table 2

Results of accuracy study.

Drug	Label claim	Result	% assay	Average % assay	SD	% RSD
Ambroxol	7.5	7.36	98.09	98.42	0.303337	0.308202
	7.5	7.39	98.48
	7.5	7.40	98.69
Doxofylline	100	98.11	98.11	98.19	0.47832	0.487141
	100	97.75	97.75
	100	98.70	98.70