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RGB12 profiles of the proposed MEKC method and other reported methods
| Method number | Method name | R (%) | G (%) | B (%) | Whiteness (%) |
|---|---|---|---|---|---|
| 1 | Proposed MEKC | 95.0 | 95.0 | 96.3 | 95.4 |
| 2 | Reported spectrophotometric | 97.5 | 92.9 | 92.5 | 94.3 |
| 3 | Reported HPTLC | 95.0 | 90.4 | 85.0 | 90.1 |
| 4 | Reported UPLC | 97.5 | 90.8 | 88.8 | 92.4 |
| 5 | Reported HPLC | 96.3 | 85.8 | 85.0 | 89.0 |
Whiteness % indicates the arithmetic mean of the three others % (red, green and blue)
