Chapter

Photobiogeochemistry of Organic Matter

Part of the series Environmental Science and Engineering pp 209-272

Date:

Photoinduced Generation of Hydroxyl Radical in Natural Waters

  • Khan M. G. MostofaAffiliated withState Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences Email author 
  • , Cong-qiang LiuAffiliated withState Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences
  • , Hiroshi SakugawaAffiliated withDepartment of Environmental Dynamics and Management, Graduate School of Biosphere Science, Hiroshima University
  • , Davide VioneAffiliated withDipartimento di Chimica Analitica, University of TurinCentro Interdipartimentale NatRisk
  • , Daisuke MinakataAffiliated withSchool of Civil and Environmental Engineering, Georgia Institute of Technology
  • , M. SaquibAffiliated withDepartment of Chemistry, Aligarh Muslim University
  • , M. Abdul MottalebAffiliated withDepartment of Chemistry/Physics Northwest Missouri State University, Center for Innovation and Entrepreneurship (CIE)

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Abstract

Hydroxyl radical (HO) is a short-lived free radical, and it is the most potent oxidizing transient among the reactive oxygen species. It is an effective, nonselective and strong oxidant that is ubiquitously formed in natural sunlit surface waters (rivers, lakes and seawater and so on), rain, dew, cloud, fog, snow, aerosol, and in all living organisms.