ImpactU Versión 3.11.2 Última actualización: Interfaz de Usuario: 16/10/2025 Base de Datos: 29/08/2025 Hecho en Colombia
Determination of Polycyclic Aromatic Hydrocarbons in Atmospheric Particulate Material by Extraction with Subcritical Water and Vortex-Assisted Dispersive Liquid-Liquid Microextraction
An analytical methodology was developed for the determination of polycyclic aromatic hydrocarbons in atmospheric particulate matter. This methodology consists of the combination of two analytical techniques: extraction with subcritical water extraction (SWE) and vortex-assisted dispersive liquid-liquid microextraction (VA-DLLME) and subsequent quantification by gas chromatography coupled to mass spectrometry (GC / MS). The developed method showed adequate linearity (r2> 0.99), with acceptable precision for all compounds (% CV <20%), the evaluation of the trueness both in samples and reference material (NIST SRM 1649b) was satisfactory (81.46-115.28% and 72.01- 99.8% respectively). The results of the evaluation of the environmental impact of the proposed method, using different techniques (Analytical Eco-scale, Raynie criteria, AGREE, GAPI and TOPSIS) showed that the method can be considered as a green alternative with low environmental impact, compared to other conventional methodologies used to quantify particle-bound PAHs.