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  • Title: Prediction of N-nitrosodimethylamine (NDMA) formation as a disinfection by-product.
    Author: Kim J, Clevenger TE.
    Journal: J Hazard Mater; 2007 Jun 25; 145(1-2):270-6. PubMed ID: 17182179.
    Abstract:
    This study investigated the possibility of a statistical model application for the prediction of N-nitrosodimethylamine (NDMA) formation. The NDMA formation was studied as a function of monochloramine concentration (0.001-5mM) at fixed dimethylamine (DMA) concentrations of 0.01mM or 0.05mM. Excellent linear correlations were observed between the molar ratio of monochloramine to DMA and the NDMA formation on a log scale at pH 7 and 8. When a developed prediction equation was applied to a previously reported study, a good result was obtained. The statistical model appears to predict adequately NDMA concentrations if other NDMA precursors are excluded. Using the predictive tool, a simple and approximate calculation of NDMA formation can be obtained in drinking water systems.
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