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Determination of barium in sea water by cation-exchange separation and electrothermal atomic absorption spectrometry
Dehairs, F.A.; Hoenig, M.; De Bondt, M.; Baeyens, J.; Van Den Winkel, P. (1988). Determination of barium in sea water by cation-exchange separation and electrothermal atomic absorption spectrometry, in: (1988). IZWO Coll. Rep. 18(1988). IZWO Collected Reprints, 18: pp. chapter 4
In: (1988). IZWO Coll. Rep. 18(1988). IZWO Collected Reprints, 18[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene & Oostende. ISSN 0772-1250, more

Also published as
  • Dehairs, F.A.; Hoenig, M.; De Bondt, M.; Baeyens, J.; Van Den Winkel, P. (1987). Determination of barium in sea water by cation-exchange separation and electrothermal atomic absorption spectrometry. Anal. Chim. Acta 196: 33-40, more

Keyword
    Marine

Authors  Top 
  • Dehairs, F.A., more
  • Hoenig, M., more
  • De Bondt, M.
  • Baeyens, J.
  • Van Den Winkel, P., more

Abstract
    A method is described for the routine determination of barium in sea water by graphite-furnace atomic absorption spectrometry. Barium is separated from the main seawater cations by collection on a cation-exchange resin. The barium is extracted into nitric acid from a portion of the resin for injection into the pyrolytically-coated graphite furnace. The method is satisfactory for the low µg l-1 levels of barium present in ocean water, with recoveries more or equal to 99% and a relative standard deviation of <5%.

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