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Clinical Chemistry, Vol 7, 165-174, Copyright © 1961 by the American Association for Clinical Chemistry
1 Department of Biochemistry and Nutrition, University of Texas Medical Branch, Galveston, Tex.
Procedures are described that utilize an anion exchange resin for preliminary purification of porphyrins from highly colored urine specimens. Following purification, porphyrins may be quantitatively determined by a spectrophotometric method. A procedure is outlined for routine screening of porphyrins in the urines of hospital patients.
Submitted on June 10, 1960
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