Biological Trace Element Research

, Volume 43, Issue 1, pp 239–249 | Cite as

The accumulation and distribution of trace metals in some localized marine species

  • A. M. Yusof
  • N. A. Rahman
  • A. K. H. Wood
Environmental Applications


Trace elements, such as As, Co, Cr, Hg, Sb, and Zn, were determined by neutron activation analysis (NAA), whereas Cd, Cu, and Pb were determined by graphite furnace atomic absorption spectroscopy (GFAAS) in clam, crab, prawn, swamp cerith, and mussel samples after digestion by microwave heating under controlled conditions before eluting the solutions through a column of a chelating resin, Chelex-100. The standard used in the determination of percentage volatile elements retained by microwave digestion and also in the activation process wasLobster Hepatopancreas TORT-1, whereas known mixed standards were prepared from nitrate salts to determine the efficiency of the separation procedure at a controlled pH. Mercury and lead detected in crabs exceeded the maximum permissible level. Some species also showed a high affinity toward certain elements, and their levels of accumulation in the tissues of these species corresponded with the concentration of these elements in sediments, especially at sites in the vicinity of an industrial zone.

Index Entries

Trace elements clam crab swamp cerith prawn mussel microwave digestion chelating resin mercury neutron activation analysis 


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Copyright information

© Humana Press Inc. 1994

Authors and Affiliations

  • A. M. Yusof
    • 1
  • N. A. Rahman
    • 1
  • A. K. H. Wood
    • 2
  1. 1.Department of ChemistryUniversiti Teknologi MalaysiaJohor BahruMalaysia
  2. 2.Nuclear Energy UnitPUSPATI ComplexBangiMalaysia

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