Comparative studies of multi-walled carbon nanotubes (MWNTs) and octadecyl (C18) as sorbents in passive sampling devices for biomimetic uptake of polycyclic aromatic hydrocarbons (PAHs) from soils
作者： Shibin Li , Todd A. Anderson , Jonathan D. Maul , Babina Shrestha , Micah J. Green
DOI: 10.1016/J.SCITOTENV.2013.05.048
关键词:
摘要: To avoid overestimating the risk of polycyclic aromatic hydrocarbons (PAHs), research is needed to evaluate bioavailable portion PAHs in environment. However, limited PSDs were developed for a terrestrial soil system. In this study, two sorbents, octadecyl (C18) and multi-walled carbon nanotubes (MWNTs), individually evaluated as sorbents passive sampling devices (PSDs) biomimetic samplers assess uptake from soil. C18-PSDs an excellent tool with low molecular weight complex exposure conditions different types, types PAHs, aging periods, initial PAH concentrations The utility MWNT-PSDs was by extraction efficiencies MWNTs. when compared C18-PSDs, they had higher adsorption capacities less expensive. This study provides data regarding useful techniques that can be used assessment bioavailability
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