Fresenius' Zeitschrift für analytische Chemie

, Volume 330, Issue 7, pp 592–595 | Cite as

Determination of trace metals in seawater by graphite furnace atomic absorption spectrometry with preconcentration on silica-immobilized 8-hydroxyquinoline in a flow-system

  • S. Nakashima
  • R. E. Sturgeon
  • S. N. Willie
  • S. S. Berman
Original Papers Environmental Analysis


A flow-system utilizing a miniature column packed with silica-immobilized 8-hydroxyquinoline (I-8-HOQ) was used for the preconcentration of Cd, Pb, Zn, Cu, Fe, Mn, Ni, and Co from seawater prior to their determination by graphite furnace atomic absorption spectrometry (GFAAS). Enrichment factors sufficient to permit the analysis of an open ocean seawater reference material using 50 ml sample volumes (100 ml for Co determinations) were obtained. Recoveries of the above elements from seawater averaged 93% (range 87–97%) with absolute blanks ranging between 0.04 ng (Ni) and 4.0 ng (Fe). Estimated detection limits for these elements vary from 0.2 ng l−1 (Co) to 40 ng l−1 (Fe) based on a 50 ml sample volume (100 ml for Co).


Physical Chemistry Analytical Chemistry Furnace Graphite Inorganic Chemistry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Bestimmung von Spurenmetallen in Meereswasser durch Graphitofen-AAS mit Anreicherung an Kieselgel-immobilisiertem 8-Hydroxychinolin in einem Durchflu\system


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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • S. Nakashima
    • 1
  • R. E. Sturgeon
    • 1
  • S. N. Willie
    • 1
  • S. S. Berman
    • 1
  1. 1.Division of ChemistryNational Research Council of CanadaOttawaCanada

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