Application Note

Environmental Analysis

Quantitation of Perchlorate by Ion Chromatography with Suppressed Conductivity on the expression CMS

Perchlorate is a synthetic chemical that is used in the manufacture of rocket fuel, fireworks, flares and explosives, and can also be present in bleaches and some fertilizers [1]. The EPA has devised drinking water regulations for Perchlorate to minimize its impact on human health and the environment.

Achieving lower analytical detection limits for Perchlorate in environmental matrices such as drinking water allows regulatory bodies like the EPA make better informed decisions on the degree of contamination of an environmental system, as well as the remedial actions required to limit adverse health and environmental effects.

The expression Compact Mass Spectrometer (CMS) provides lower detection limits and greater selectivity for Perchlorate compared to a conductivity detector (CD). The typical detection limit of a CD is in the mid to high-ppb range, the CMS can detect < 20 ppt.

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