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Hydrobiologia

, Volume 260, Issue 1, pp 531–534 | Cite as

Influence of mineralisation methods on the determination of the mineral content of the brown seaweed Undaria pinnatifida by atomic absorption spectrophotometry

  • Joel Fleurence
  • Catherine Le Coeur
Article

Abstract

The influence of 8 mineralisation (dry and wet ashings) procedures on the determination of the mineral content of the brown seaweed Undaria pinnatifida by atomic absorption spectrophotometry was studied. Two procedures are proposed for routine analysis: dry ashing using sample calcination at 450 °C, followed by ash treatment with hydrochloric acid and silica elimination by hydrofluoric acid, and wet digestion using hot nitric acid.

Key words

Seaweed Undaria pinnatifida mineral content mineralisation methods atomic absorption spectrophotometry 

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References

  1. Giron, H. C., 1973. Comparison between dry ashing and wet digestion in the preparation of plant material for atomic absorption. Atomic Absorption Newsletter 12: 28–29.Google Scholar
  2. Hoenig, M, P. V. Hoegweghen & J. Liboton, 1979. Evaluation à l'aide d'étalons internationaux de deux méthodes de minéralisation des végétaux. Analusis. 2: 104–106.Google Scholar
  3. Issac, R. A. & W. C. Johnson, 1975. Collaborative study of wet and dry ashing techniques for the elemental analysis of plant tissue by atomic absorption spectrophotometry. J. ass. offic. analyt. Chem. 3: 436–440.Google Scholar
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Copyright information

© Kluwer Academic Publisher 1993

Authors and Affiliations

  • Joel Fleurence
    • 1
  • Catherine Le Coeur
    • 1
  1. 1.Centre d Etude et de Yalorisation des AlguesPleubianFrance

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