Determination of Rhenium in Groundwater by Inductively Coupled Plasma Mass Spectrometry with On-Line Cation Exchange Membrane Sample Cleanup

Michael E. Ketterer

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

A scheme Is presented for determining rhenium in groundwater samples that contain up to 4000 mg/L dissolved solids by Inductively coupled plasma mass spectrometry. A commercially available cation exchange membrane cartridge is used on-line to exchange catlonlc species for equivalent quantities of hydrogen ion; rhenium, which is present as the perrhenate anion, remains on the upstream side of the membrane and is transported directly Into the Inductively coupled plasma. This arrangement successfully alleviates the matrix-related sample introduction difficulties and permits direct determination of rhenium In water with a detection limit of 0.03 μg/L using a Meinhard-type nebulizer. Removal efficiencies of up to 100% are achieved for sodium, magnesium, aluminum, potassium, and calcium ions, while perrhenate is transmitted with 100% efficiency. Results are presented for the determination of rhenium in groundwater samples from the vicinity of a metal sulfide tailings Impoundment In the western United States.

Original languageEnglish (US)
Pages (from-to)2522-2526
Number of pages5
JournalAnalytical Chemistry
Volume62
Issue number23
DOIs
StatePublished - Dec 1 1990

ASJC Scopus subject areas

  • Analytical Chemistry

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