Simultaneous Spectrophotometric Method for Determination of Emtricitabine and Tenofovir Disoproxil Fumarate in Three-Component Tablet Formulation Containing Rilpivirine Hydrochloride

Table 9

Assay results for commercial formulation.

Amount present (mg)	Amount present (% label claim)	Amount present (mg)	Amount present (% label claim)	Amount present (mg)	Amount present (% label claim)
EMT		TDF		RPV
0.2004	100.20	0.2943	98.10	0.0251	100.61
0.2032	101.60	0.2940	98.01	0.0251	100.77
0.2016	100.81	0.2951	98.38	0.0250	100.32
0.1996	99.81	0.2976	99.22	0.0256	100.41
0.1989	99.46	0.2975	99.18	0.0250	100.13
0.2013	100.68	0.2968	98.94	0.0255	102.01
S.D	0.767508	S.D	0.543	S.D	0.9390
% RSD	0.764205	% RSD	0.550	% RSD	0.9293