Development and Validation of UV-Visible Spectrophotometric Baseline Manipulation Method for Simultaneous Quantitation of Tenofovir Disoproxil Fumarate and Emtricitabine in Pharmaceutical Dosage Form

Table 6

Results of specificity study for TE (𝑛=3).

Concentration (μg/mL)	Abs. standard	Abs. sample	Difference (𝐷)	𝐷-mean
6	0.11504	0.1203	0.00526	2.16×10^−4
12	0.2478	0.2234	−0.0244	2.24×10^−4
18	0.3681	0.3765	0.0084	3.19×10^−4
24	0.4884	0.4787	−0.0097	6.35×10^−8
30	0.6087	0.5819	−0.0268	3.01×10^−4