Research Article

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

Table 8

Stability data of stock solutions.

DAYEMTTDFRPV
Amount present (mg)Amount present (%)Amount present (mg)Amount present (%)Amount present (mg)Amount present (%)

10.2013100.660.3002100.070.0255102.11
20.2000100.000.297199.060.0256102.41
30.199299.640.299699.880.0254101.68
40.196698.340.3508101.950.0251100.49
50.2005100.030.296899.060.0244102.41
60.198999.640.299299.880.0251101.68
70.196698.340.3504101.950.0256100.49