Web30 sep. 2024 · For soil samples from different lakes, the PAHs in the soil near Qiandao Lake were dominated by medium-molecular-weight PAHs, which accounted for 46.6% of the … Web23 mei 2024 · Dermal intake of low molecular-weight PAHs was greater than inhalation intake from the occurrence of atmospheric PAHs. In addition, the net excreted amounts …
Current and Future Trends of Low and High Molecular Weight …
Web14 mrt. 2024 · Commonly detected urinary metabolites are low-molecular weight PAHs, including naphthalene, fluorene, phenanthrene, and pyrene . Evidence reports that high-molecular weight PAHs with over 4 aromatic rings, especially benzo[a]pyrene, are mainly excreted via feces and are not detectable in urine [24,25,26]. WebOf major environmental concern are mobile PAHs that vary in molecular weight from 128.16 (naphthalene, C10H8) to 300.36 (coronene, C24H12). Higher molecular weight PAHs are relatively immobile because of their large molecular volumes and their extremely low volatility and solubility. Among the mobile forms are thousands pain in the tendon of the foot
BTEX and PAH contributions to Lake Kinneret water: a seasonal …
Web7 jul. 2024 · Apart from these pyrogenic sources, PAHs, especially low-molecular-weight PAHs and RPAHs, and some PAH derivatives can originate from petrogenic sources … Web1 jan. 2015 · Lower molecular weight PAHs such as naphthalene and anthracene are more soluble and degradable, but higher molecular weight compounds such as pyrene and benzo [a]anthracene are more recalcitrant ( Obayori and Salam, 2010 ). Web2 apr. 2014 · Low molecular weight PAH compounds are volatile, while the high molecular weight members are less volatile and chemically inert. The chemical … subjective social status and health