Update: 30 September, 2023
This paper presents a method for determining sub-ppb levels of perchlorate anion using ion chromatography/mass spectrometry (IC/MS). The IC/MS method follows EPA Method 314 methodology originally developed for IC with conductivity detection at the single ppb range [1]. The IC/MS method is not affected by the addition of the interference matrix described in Method 314 on perchlorate recoveries throughout the measurable range. Typical recoveries are 90%–105% at the 0.5 and 1-ppb level in synthetic drinking and waste waters with the method detection limit (MDL) less than 100 ppt.
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MD5 Checksum: 34BFA1D7710715C7175AE5792BFA5DAF
Publication date: 02 July, 2012
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PDF Link: Agilent Technologies The Analysis of Perchlorate by Ion Chromatography/Mass Spectrometry PDF