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Photochemistry of bisphenol F in aqueous solutions: A mechanistic study

Paper ID Volume ID Publish Year Pages File Format Full-Text
26706 43972 2015 6 PDF Available
Title
Photochemistry of bisphenol F in aqueous solutions: A mechanistic study
Abstract

•Mechanistic aspects of photochemistry of bisphenol F has been studied by means of stationary (and laser flash photolysis.•Photoionization with formation of hydrated electron – phenoxyl radical pair was observed to be the main primary photochemical process.•Phenoxyl radical decays in recombination and reaction with superoxide anion radical formed during scavenging of hydrated electron by dissolved oxygen.•The main primary product of BPF photolysis determined by LC–MS is hydroxylated BPF.

In the present work aqueous photochemistry of bisphenol F has been studied by means of stationary (282 nm) and laser flash photolysis (266 nm). Photoionization with formation of hydrated electron – phenoxyl radical pair was observed to be the main primary photochemical process (ϕmono = 2 × 10−2). Phenoxyl radical decays in recombination and reaction with superoxide anion radical formed during scavenging of hydrated electron by dissolved oxygen. The quantum yield of BPF photodegradation was evaluated to be 2 × 10−3 upon 282 nm exposure. The main primary product of BPF photolysis determined by LC–MS is hydroxylated BPF.

Keywords
Bisphenol F; Endocrine disruptor; Flash photolysis; Photoionization; Photodegradation; Phenoxyl radical; Hydrated electron
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Photochemistry of bisphenol F in aqueous solutions: A mechanistic study
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 305, 1 June 2015, Pages 45–50
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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