Table 6 The penalty points of UV and chemometric spectrophotometric methods according to the analytical Eco-Scale per sample.
Items | Value | Sub total | PPs |
|---|---|---|---|
Reagents SDS | |||
Reagent amount | 10–100 mL | 2 | 4 |
Reagent hazard | 2 | ||
Instruments | |||
Energy | ˂ 0.1 kWh per sample | 0 | 0 |
Occupational hazard | Emission of vapors and gases to the air | 0 | 0 |
Waste | 1–10 mL | 3 | 6 |
No treatment | 3 | ||
Total PPs | 10 | ||
Analytical eco-scale total score from 100 | 90 | ||