Table 1 Greenness assessment of the two proposed separation methods by analytical eco-scale, NEMI, GAPI and AGREE tools
For HPTLC-densitometric method | ||||
|---|---|---|---|---|
Eco-scale assessment | NEMI pictogram | GAPI assessment | AGREE assessment | |
Reagents | Penalty points (PPs) |
|
|
|
Ammonia (25%) | 6 | |||
Water | 0 | |||
Ethanol | 4 | |||
Ethyl acetate | 4 | |||
Instrument | ||||
Energy consumption | 1 | |||
Occupational hazard | 3 | |||
Waste | 6 | |||
Total PPs | 24 | |||
Analytical eco-scale total score | 76 | |||
Comment | Excellent green analysis | |||
For CZE-DAD method | ||||
|---|---|---|---|---|
Eco-scale assessment | NEMI pictogram | GAPI assessment | AGREE assessment | |
Reagents | Penalty points (PPs) |
|
|
|
Sodium tetraborate decahydrate | 4 | |||
Water | 0 | |||
Instrument | ||||
Energy consumption | 2 | |||
Occupational hazard | 0 | |||
Waste | 4 | |||
Total PPs | 10 | |||
Analytical eco-scale total score | 90 | |||
Comment | Excellent green analysis | |||
