Mathematically Processed UV Spectroscopic Method for Quantification of Chlorthalidone and Azelnidipine in Bulk and Formulation: Evaluation of Greenness and Whiteness

Table 2

Assay results of the laboratory mixed solutions of CTL and AZE.

Laboratory prepared mixture (μg/mL)		Chlorthalidone (% recovery)				Azelnidipine (% recovery)
CTL	AZE	^1DD	RAD	R^1DD	RCS	^1DD	RAD	R^1DD	RCS
1	15	98.26	100.67	99.27	100.45	99.66	100.37	99.15	99.34
8	8	99.18	99.24	98.69	98.46	100.57	99.08	101.26	99.17
15	1	101.34	99.47	101.33	101.34	99.28	100.64	98.45	100.78
4	12	100.79	98.39	98.92	99.94	98.71	101.18	99.44	98.66
12	4	99.28	100.08	101.04	100.47	100.83	100.38	100.83	100.93
Across mean		99.77	99.57	99.85	100.13	99.81	100.33	99.83	99.78
Standard deviation		1.26	0.86	1.24	1.06	0.88	0.77	1.18	1.02