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Thioarsenates in Geothermal Waters of Yellowstone National Park:  Determination, Preservation, and Geochemical Importance

Dates

Year
2007

Citation

Planer-Friedrich, Britta, London, Jacqueline, McCleskey, R Blaine, Nordstrom, D Kirk, and Wallschläger, Dirk, 2007, Thioarsenates in Geothermal Waters of Yellowstone National Park:  Determination, Preservation, and Geochemical Importance: Environmental Science & Technology, v. 41, iss. 15, p. 5245-5251.

Summary

Mono-, di-, tri-, and tetrathioarsenate, as well as methylated arsenic oxy- and thioanions, were determined besides arsenite and arsenate in geothermal waters of Yellowstone National Park using anion-exchange chroma tography inductively coupled plasma mass spectrometry. Retention time match with synthetic standards, measured S:As ratios, and molecular electrospray mass spectra support the identification. Acidification was unsuitable for arsenic species preservation in sulfidic waters, with HCl addition causing loss of total dissolved arsenic, presumably by precipitation of arsenic-sulfides. Flash-freezing is preferred for the preservation of arsenic species for several weeks. After thawing, samples must be analyzed immediately. Thioarsenates [...]

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  • USGS National Research Program

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Added to ScienceBase on Tue Apr 23 14:48:42 MDT 2013 by processing file <b>Chemical Modeling of Acid Waters.xml</b> in item <a href="https://www.sciencebase.gov/catalog/item/504216bae4b04b508bfd3399">https://www.sciencebase.gov/catalog/item/504216bae4b04b508bfd3399</a>

Additional Information

Identifiers

Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.1021/es070273v

Citation Extension

journalEnvironmental Science & Technology
parts
typePages
value5245-5251
typeVolume
value41
typeIssue
value15
citationTypeJournal Article

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