Future Journal of Pharmaceutical Sciences

Table 3 Determination of CAR & IVA in tablet dosage form by the proposed methods and application of standard addition technique

From: A unique revolutionary eco-friendly spectrophotometric technique for solving the spectral overlap in the determination of carvedilol and ivabradine in their binary combination: stability study

Sample	CAR (mean% ± SD)
Method	RD	FDW-SS	CC-SS	ITAD-RS
Carivalan®	90.40 ± 0.69	97.95 ± 0.99	97.75 ± 0.51	101.63 ± 1.56
Batch No.29044	99.83 ± 0.40	99.83 ± 1.19	99.48 ± 0.81	98.93 ± 1.37
Standard addition	99.83 ± 0.40	99.83 ± 1.19	99.48 ± 0.81	98.93 ± 1.37

Sample	IVA (mean ± SD %)
Method	RD	FDW-SS	CC-SS	ITAD-RS
Carivalan®	98.17 ± 0.58	98.75 ± 1.14	100.07 ± 1.98	97.87 ± 0.38
Batch No.29044	98.17 ± 0.58	98.75 ± 1.14	100.07 ± 1.98	97.87 ± 0.38
Standard addition	100.50 ± 1.39	98.75 ± 0.43	100.71 ± 0.26	99.25 ± 1.15

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