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

Table 2

Robustness testing^a.

Parameters	SD of peak area	%RSD
Mobile phase composition (±0.1 mL)	29.19	1.12
Amount of mobile phase (±5%)	15.22	1.01
Plate pretreatment (4, 5, 6 min)	9.51	0.07
Time from spotting to chromatography (+10 min)	2.03	0.03
Time from chromatography to scanning (+10 min)	0.73	0.05

^a𝑛=6.