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.The concentration of Fe(II) has decreased more than 50% since 2001 in both winter and summer rain collected in Wilmington, North Carolina, USA. Storage experiments performed on rain collected during the summer of 2008 revealed rapid oxidation of Fe(II) by hydrogen peroxide with second order rate constants between 2 and 48 M−1 s−1. The rapid oxidation of Fe(II) in these samples is in marked contrast...
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