Simultaneous analysis of two drugs used as supportive treatment for COVID-19: comparative statistical studies and analytical ecological appraisal

Table 4 The outcomes of the evaluation of the proposed approaches greenness

1. NEMI pictogram	2. GAPI	3. AGREE

4. Analytical Eco-scale score
Item	Number of pictograms	Word sign	Penalty points
Reagents: volume
Ethanol 10 mL	2	Warning	2
Instrument
Spectrophotometer			0
Energy [< 0.1 kWh per sample]			0
Waste			3
Occupational hazards (analytical process hermetization)			0
Total penalty points			5
Analytical Eco-Scale score^a			95 Excellent green method

^aAnalytical Eco-Scale total score = 100 − total penalty points, where score > 75 represents excellent green analysis, score > 50 represents acceptable green analysis, and score < 50 represents inadequate green analysis

ISSN: 2661-801X