Table 7 Greenness evaluation of the proposed and reported chemometrics methods for the determination of ANT and BEN using analytical Eco-scale tools
Proposed method | Reported method [17] | Reported method [45] | |||
|---|---|---|---|---|---|
Analytical eco-scale | Penalty point | Analytical eco-scale | Penalty point | Analytical eco-scale | Penalty point |
Reagents | Reagents | Reagents | |||
Distilled water | 0 | Ethanol | 4 | 0.01 N HCl | 4 |
| Â | Â | 0.1 N HCl | 4 | Â | Â |
Instrument | Instrument | Instrument | |||
Energy (< 1.5 kWh per sample) | 1 | Energy (< 1.5 kWh per sample) | 1 | Energy (< 1.5 kWh per sample) | 1 |
Occupational hazard | 0 | Occupational hazard | 0 | Occupational hazard | 0 |
Waste | 3 | Waste | 3 | Waste | 3 |
Total penalty points | 4 | Total penalty points | 12 | Total penalty points | 8 |
Eco-scale score | 96 | Eco-scale score | 88 | Eco-scale score | 92 |