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Calculation of analytical eco-scale for the developed method.
| Reagents/instruments | Penalty points |
|---|---|
| Reagents | |
| Phosphoric acid | 2 |
| Isopropanol | 4 |
| Instruments | |
| HPLC | 1 |
| Occupational hazards | 0 |
| Waste | 3 |
| Total penalty points | ∑10 |
| Analytical eco-scale score | 90 |
