Stress Studies of Tenofovir Disoproxil Fumarate by HPTLC in Bulk Drug and Pharmaceutical Formulation

Figure 3

Densitogram of the photodegradation product 150 ng/spot; condition: white fluorescent and integrated near-ultraviolet energy at 1.2 million lux hours and 200 watts hours/sq·mts for 8 h; Peak 1 (tenofovir disoproxil fumarate, 𝑅_𝑓: 0.50), Peak 2 (degraded, 𝑅_𝑓: 0.58), and Peak 3 (degraded, 𝑅_𝑓: 0.72).