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Experimental Method of Emission Generation Calibration Based on Reference Liquids Characterization
Sébastien Soulet1,2, Marie Duquesne3, Jean Toutain3
1Laboratoire Français du E-Liquide, 218 avenue du Haut-Levêque, 33600 Pessac, France. sebastien.soulet@lfel.fr.
This study introduces a novel calibration method for electronic cigarette emissions, crucial for accurate vaping research. The method validates e-liquid vaporization mass, addressing a key gap in current vaping device analysis.
Area of Science:
- Analytical Chemistry
- Toxicology
- Materials Science
Background:
- Standardized methods for calibrating electronic cigarette (EC) emission generation are lacking.
- E-liquid composition variability complicates the analysis of EC aerosol.
- Accurate characterization of EC emissions is vital for public health and regulatory purposes.
Purpose of the Study:
- To develop and validate a practical, fast, and effective method for calibrating EC emission generation.
- To investigate the influence of e-liquid composition, specifically ethanol and water content, on vaporized mass.
- To establish a benchmarking system for e-liquids and characterize commercial products.
Main Methods:
- Utilized a Universal System for Analysis of Vaping (U-SAV) machine for standardized emission generation.
- Employed a Cubis 1Ω clearomiser and a standard protocol for EC emission generation.
- Tested pure propylene glycol, glycerol, ethanol, water, and 20 mixtures as reference materials to characterize 800 commercial e-liquids.
Main Results:
- A novel, simple, and effective calibration method for EC emission generation was successfully developed and validated.
- The study characterized the influence of ethanol and water content on the mass of vaporized e-liquid.
- Benchmarking of e-liquids was achieved, enabling the characterization of 800 commercial products under fixed conditions.
Conclusions:
- The proposed calibration method addresses a critical need for standardization in EC emission analysis.
- Understanding e-liquid composition's impact on vaporization is essential for accurate risk assessment.
- This methodology provides a valuable tool for laboratories studying EC emissions and e-liquid characterization.
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