Stability-Indicating HPLC Method for the Simultaneous Determination of HIV Tablet Containing Emtricitabine, Tenofovir Disoproxil Fumarate, and Rilpivirine Hydrochloride in Pharmaceutical Dosage Forms

Table 5

Evaluation data of solution stability study.

Day	EMT	TDF	RPV	EMT	TDF	RPV
	% assay for test preparation solution at 2–8°C			% assay for test preparation solution at ambient temperature
Initial	99.96	99.89	99.89	99.82	100.20	99.16
1	99.89	99.75	99.84	99.82	100.92	99.17
2	99.92	98.79	99.77	98.24	99.24	98.91
3	98.45	98.59	99.56	98.45	99.09	98.44