Development of an extraction method for perchlorate in soils

Jaclyn E. Cañas, Rashila Patel, Kang Tian, Todd A. Anderson

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Perchlorate originates as a contaminant in the environment from its use in solid rocket fuels and munitions. The current US EPA methods for perchlorate determination via ion chromatography using conductivity detection do not include recommendations for the extraction of perchlorate from soil. This study evaluated and identified appropriate conditions for the extraction of perchlorate from clay loam, loamy sand, and sandy soils. Based on the results of this evaluation, soils should be extracted in a dry, ground (mortar and pestle) state with Milli-Q water in a 1:1 soil:water ratio and diluted no more than 5-fold before analysis. When sandy soils were extracted in this manner, the calculated method detection limit was 3.5 μg kg-1. The findings of this study have aided in the establishment of a standardized extraction method for perchlorate in soil.

Original languageEnglish
Pages (from-to)399-405
Number of pages7
JournalJournal of Environmental Monitoring
Issue number3
StatePublished - 2006


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