Contribution to the Detection of Poor Quality Sildenafil Drugs in Burkina Faso Using High-Performance Thin-Layer Chromatography

Table 8

Accuracy data obtained with the polynomial function and the areas.

Concentration levels (mg/mL)	0.1125	0.3375	0.7875
Average found by level	0.1031	0.3509	0.7213
Recovery	91.71%	103.99%	91.57%
High tolerance limit	49.40	9.911	5.2246
Low tolerance limit	−65.98	−1.931	−22.08
High limit of acceptability	10	10	10
Low limit of acceptability	−10	−10	−10