I am trying to track down spectra of Cr(III) adsorbed to or coprecipitated with iron oxides. Any data would be great. Thanks Todd Luxton PhD. Post Doctoral Research Soil Scientist U.S. Environmental Protection Agency National Risk Management Research Laboratory Land Remediation and Pollution Control Division 5995 Center Hill Ave. Cincinnati, OH 45224-7879 Luxton.Todd@epa.gov Office: (513) 569-7210 Fax: (513) 569-7879