METHOD 314.0 CHROMATOGRAPHY Revision 1.0 …

1 METHOD DETERMINATION OF PERCHLORATE IN DRINKING WATER USING IONCHROMATOGRAPHYR evision 1999 Daniel P. Hautman and David J. Munch, US EPA, Office of Ground Water and Drinking WaterAndrew D. Eaton and Ali W. Haghani, Montgomery Watson LaboratoriesNATIONAL EXPOSURE RESEARCH LABORATORYOFFICE OF RESEARCH AND ENVIRONMENTAL PROTECTION AGENCYCINCINNATI, OHIO 452682 METHOD DETERMINATION OF PERCHLORATE IN DRINKING WATER USING IONCHROMATOGRAPHY AND APPLICATION METHOD covers the determination of perchlorate in reagent water, surface water,ground water, and finished drinking water using ion CHROMATOGRAPHY . single laboratory reagent water METHOD Detection Limit (MDL, defined in ) for the above analyte is listed in Table 1. The MDL for a specific matrix maydiffer from those listed, depending upon the nature of the sample and the specificinstrumentation employed. order to achieve comparable detection limits, an ion chromatographic systemmust utilize suppressed conductivity detection, be properly maintained, andmust be capable of yielding a baseline with no more than 5 nanosiemen (nS)noise/drift per minute of monitored response over the background conductivity.

2 METHOD 314.0 DETERMINATION OF PERCHLORATE IN DRINKING WATER USING ION CHROMATOGRAPHY 1. SCOPE AND APPLICATION 1.1 This method covers the determination of perchlorate in reagent water, surface water,

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  Methods, Revisions, Chromatography, Chromatography revision 1

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