Determination of total mercury in sediments by microwave-assisted digestion-flow injection-inductively coupled plasma mass spectrometry

Ágnes Woller, Hervé Garraud, Fabienne Martin, Olivier F X Donard, P. Fodor

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

A method for the determination of total mercury in sediment samples was developed. Extraction of mercury from a sample matrix was carried out in an open vessel microwave digestion system while maintaining mild conditions during digestion in order to avoid any loss of mercury due to volatilization. A complexing agent (EDTA) and a surfactant (Triton X-100) were added to the samples in order to eliminate memory effects associated with mercury determinations and to obtain reproducible linear calibration curves. Standard additions and internal standardization were used for calibration and correction in an FI-ICP-MS detection system. The method was validated using the certified reference material PACS-1 and the reference materials IAEA-356 and S19 and gave results in good agreement with the certified and reference values. Sediment samples from Arcachon Bay were also analysed. Detection limits of 10 ng g-1 for solution and 1 ng g-1 for dry sediment samples were obtained.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalJournal of Analytical Atomic Spectrometry
Volume12
Issue number1
Publication statusPublished - Jan 1997

Fingerprint

Inductively coupled plasma mass spectrometry
Mercury
Sediments
Microwaves
Calibration
Picture archiving and communication systems
Octoxynol
Vaporization
Surface-Active Agents
Edetic Acid
Standardization
Data storage equipment

Keywords

  • Flow injection
  • Inductively coupled plasma mass spectrometry
  • Mercury
  • Microwave-assisted digestion
  • Reference materials
  • Sediment samples

ASJC Scopus subject areas

  • Spectroscopy

Cite this

Determination of total mercury in sediments by microwave-assisted digestion-flow injection-inductively coupled plasma mass spectrometry. / Woller, Ágnes; Garraud, Hervé; Martin, Fabienne; Donard, Olivier F X; Fodor, P.

In: Journal of Analytical Atomic Spectrometry, Vol. 12, No. 1, 01.1997, p. 53-56.

Research output: Contribution to journalArticle

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AU - Fodor, P.

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