Table 6 Penalty points (PPs) for the proposed TLC methods and reported methods
Parameters | Penalty points [PPs] | |||
|---|---|---|---|---|
Proposed method for IMD | Reported method for IMD [36] | Proposed method for DLM | Reported method for DLM [37] | |
Reagents | ||||
Isopropyl alcohol | 2.0 | ‒ | ‒ | ‒ |
Toluene | ‒ | 6.0 | 6.0 | 6.0 |
Acetonitrile | ‒ | 4.0 | ‒ | ‒ |
n-hexane | ‒ | ‒ | 8.0 | 8.0 |
Ethylacetate | ‒ | ‒ | 4.0 | ‒ |
Water | ‒ | ‒ | ‒ | ‒ |
Instrument | ||||
Energy [> 0.1 kWh per sample] | 1.0 | 1.0 | 1.0 | 1.0 |
Occupational hazard | 0.0 | 0.0 | 0.0 | 0.0 |
Waste Total PPs Analytical eco-scale score | 5.0 Ʃ8.0 92.0 Excellent green Analysis | 5.0 Ʃ16.0 84.0 Green Analysis | 5.0 Ʃ24.0 76.0 Green Analysis | 5.0 Ʃ20.0 80.0 Greener Analysis |