| Parameters | Studied Range | Optimal Conditions |
| Type of membrane | Nylon, cellulose acetate, esters, teflon, filter paper | Filter paper (blue ribbon) |
| pH | 3 - 12 | 10.7 |
| Concentration buffer | 1 × 10−2 - 0.1 mol∙L−1 | 1 × 10−4 mol∙L−1 |
| Concentration Az | 1 × 10−9 - 1 × 10−6 mol∙L−1 | 2.5 × 10−7 mol∙L−1 |
| Concentration NaC | 1 × 10−6 - 1 × 10−3 mol∙L−1 | 1 × 10−5 mol∙L−1 |
| LOD | - | 0.08 µg∙L−1 |
| LOQ | - | 0.24 µg∙L−1 |
| LOL | - | 0.24 - 304.4 µg∙L−1 |
| R2 | - | 0.999 |