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

Table 2

Result of recovery studies for TE and EM.

Analyte name	Formulation study (𝑛=6)		Recovery (accuracy) study
	Base level amount	Amount spiked	Recovery level	% Recovery,
	μg/mL	μg/mL		% RSD (𝑛=3)
TE	6	3	50%	100.21, 0.54
	6	6	100%	100.4, 0.94
	6	9	150%	99.45, 0.54
EM	9	4.5	50%	99.5, 0.45
	9	9	100%	101.4, 0.75
	9	13.5	150%	99.78, 0.69