| Dye | Concentration, ppm | Maximum wavelength, nm | Molecular weight, g/mol | Color index (CI) number |
|---|---|---|---|---|
| Methylene blue (MB) | 1000 | 664 | 319.85 | 52,015 |
| Coomassie brilliant blue R-250 (CBB) | 1000 | 553 | 825.97 | 42,660 |
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