Mechanistic Aspects Regarding the Ultraviolet Degradation of Polychlorinated Biphenyls in Different Media: Insights from Carbon and Chlorine Isotope Fractionation

In this study, the carbon and chlorine isotope fractionation during ultraviolet-photolysis of polychlorinated biphenyls (PCBs, including PCB18, PCB77, PCB110, and PCB138) in n-hexane (Hex), methanol/water (MeOH/H2O), and silica gel was first investigated to explore their mechanistic processes. We ob...

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Veröffentlicht in:	Environmental science & technology 2021-06, Vol.55 (11), p.7731-7740
Hauptverfasser:	Huang, Chenchen, Zeng, Yanhong, Cao, Ya, Zhu, Chuhong, Ren, Zihe, Liu, Yin-E, Gao, Shutao, Tian, Yankuan, Luo, Xiaojun, Mai, Bixian
Format:	Artikel
Sprache:	eng
Schlagworte:	Biogeochemical Cycling Carbon Carbon 13 Carbon isotopes Chlorine Congeners Dechlorination Degradation Depletion Fractionation Hexanes Isotope composition Isotope effect Isotope fractionation Isotopes n-Hexane PCB Photochemicals Photolysis Polychlorinated biphenyls Silica Silica gel Silicon dioxide Substrates
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