https://www.selleckchem.com/products/uc2288.html
Polycyclic aromatic hydrocarbons (PAHs) in an AMS 14C-dated permafrost soil core extracted from continuous permafrost zone were measured to reconstruct the pollution history from the early Holocene (ca. 15480 a BP) and its potential risks under climate changes were evaluated in northeast China. Total PAH concentrations varied from 209 to 2161 ng/g through the core, which were moderately contaminated in the surface but heavily contaminated historically. Factor analysis indicated that volcanic activity, diagenesis from biological precursor

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