Abstract
Analysis of polycyclic aromatic hydrocarbons (PAHs) in air and water sources is a key part of environmental chemistry research, since most PAHs are well known to be associated with negative health impacts on humans. This study explores an approach for analyzing PAH mixtures with advanced nuclear magnetic resonance (NMR) spectroscopic techniques including high-resolution one-dimensional (1D) NMR spectroscopy and diffusion-ordered NMR spectroscopy (DOSY NMR). With this method, different kinds of PAHs can be detected and differentiated from a mixture with high resolution. The adsorption process of PAH mixtures by PAC and biochar was studied to understand the mechanism and assess the method.
Highlights
Polycyclic aromatic hydrocarbons (PAHs) are a large group of chemicals with 2 to 7 fused aromatic rings
Many PAHs are well known to be associated with environmental pollutions and negative health impacts on humans [1,2,3]
The detection and trace analysis of PAHs is of significant importance for reducing the negative health impact of
Summary
Polycyclic aromatic hydrocarbons (PAHs) are a large group of chemicals with 2 to 7 fused aromatic rings. Many PAHs are well known to be associated with environmental pollutions and negative health impacts on humans [1,2,3]. They have been designated as one of the primary suspected carcinogens among atmospheric pollutants, which may increase the health risks, such as cancer and respiratory distress in humans [4,5,6]. PAHs are released into the environment from natural and anthropogenic sources [7]. The detection and trace analysis of PAHs is of significant importance for reducing the negative health impact of PAHs on humans
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