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SUMMARY:The ultraviolet absorption spectrum of chlorine peroxide (ClOOCl) 
 and implications for polar ozone chemistry - Dr Francis Pope (University o
 f Cambridge)
DTSTART:20071126T141500Z
DTEND:20071126T151500Z
UID:TALK7766@talks.cam.ac.uk
CONTACT:Christine Braban
DESCRIPTION:A new experimental determination of the absorption spectrum of
  chlorine peroxide (ClOOCl)\,(1) has potentially disproved well-establishe
 d mechanisms used to describe the formation of ozone holes.(2) The work\nc
 arried out at NASA’s Jet Propulsion Laboratory managed to synthesise ClO
 OCl in yields and purity which were previously unattainable. The recorded 
 spectrum produces a lower ClOOCl photolysis rate\, and hence reduces the o
 zone destruction attributable to ClOOCl. The talk will discuss the experim
 ental aspects\, the analytical description of the recorded spectra\, and t
 he implications of the findings with regard to ozone chemistry.\n\n(1) Pop
 e F.D. et al. J. Phys. Chem. A\, 111\, 4322 (2007).\n(2) Schiermeier Q. Na
 ture\, 449 (7161)\, 382 Sep 27 (2007).\n
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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