Table 7 Penalty points calculated based on Eco Scale Score for the greenness evaluation of the present method
Item | Parameter | Word sign | PP score |
|---|---|---|---|
Technique | Spectrophotometry | LSH | 1 |
Reagent(s) | Non | 0 | |
Solvent | Ethanol (< 10 mL) | LSH | 1 |
Heating | No heating | 0 | |
Temperature | Room temperature | 0 | |
Cooling | No cooling | 0 | |
Energy (kWh per sample) | < 10 mL | 0 | |
Waste | 1–10 mL | 3 | |
Occupational hazards | 0 | ||
(TPPs) | 5 | ||
Eco-scale total score | = 100 − TPP | 95 |