Degradation Of Iodinated X-Ray Contrast Media
Each year, over 3000 tons of X-ray contrast media are used by medical facilities across the globe. About 90 % of those contrast agents reach our environment largely unaltered through clarification plants. To the present day, degradation products of these substances, which would imply decomposition of the iodinated benzene by microorganisms, have not been identified in sewage sludge.
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