Table 1 Physicochemical properties of dyes (malachite green, methyl violet, and methylene blue)
Commercial name | Structural formula | λmax(nm) | Molecular formula | M (g mol−1) |
|---|---|---|---|---|
Malachite green oxalate |
| 617 | C23H25N2 .1/2C2H2O4.C2HO4 | 463.51 |
Methyl violet 2B |
| 579 | C24H28ClN3 | 393.96 |
Methylene blue hydrate |
| 664 | C16H18ClN3S. xH2O | 319.85 |
