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Comparison of the greenness profiles of proposed and a reported method using ESA tool
| Reagents and instruments | Proposed method | Reported method [17] |
|---|---|---|
| Chloroform | 0 | 2 |
| Methanol | 0 | 6 |
| Ammonia | 0 | 2 |
| 0.1%hexanesulfonic acid | 0 | 0 |
| Acetonitrile | 6 | 0 |
| Waste | 3 | 3 |
| Occupational hazards | 3 | 3 |
| Total penalty points | 12 | 16 |
| Total score | 88 | 84 |
