Novel ecofriendly spectrophotometric methods for the determination of six dihydropyridines calcium channel blockers through derivatization with sulfophtalein dye: application to tablet analysis

Table 8 The results of the quantitative determinations of CCBs in tablets

№	Found content in dosage forms, mg
№	AML 10 mg	LAC 2 mg	LAML 5 mg	NIF 20 mg	NIM 30 mg	NIT 10 mg
1	10.410	2.038	4.981	19.832	30.512	10.120
2	9.991	2.036	5.022	19.889	30.247	10.087
3	9.979	2.062	5.090	20.115	3.613	10.248
4	9.958	2.068	5.143	20.448	30.022	10.259
5	10.003	2.103	5.193	20.307	29.453	10.427
6	10.057	2.140	5.203	20.585	29.766	10.390
Mean	10.066	2.075	5.105	20.196	30.102	10.255
SD	0.172	0.040	0.091	0.303	0.445	0.137
RSD	1.705	1.942	1.780	1.503	1.479	1.339

ISSN: 2661-801X