Sequential extraction procedure for the determination of some trace elements in fertilizer samples

Yunus Emre Unsal, Mustafa Tuzen, Mustafa Soylak*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Total concentration of metal ions at trace levels does not give sufficient information about toxicity and biological availability of these elements in fertilizer samples. In the presented work, a sequential extraction procedure modified by the European Community Bureau of Reference (BCR) was applied to fractionate Cd, Cr, Co, Cu, Fe, Pb, Mn, Ni, and Zn levels in two fertilizer samples collected from cooperative agricultural retailers. The fractions extracted were exchangeable/dilute acid soluble, reducible bound to Fe/Mn oxides, oxidizable bound to organic matter and sulfides, and residual. The determination of analyte elements was done by flame atomic absorption spectrometry. The accuracy of the procedure was validated with BCR-701 sediment certified reference material. The RSD of the procedure was less than 10%.

Original languageEnglish
Pages (from-to)1034-1038
Number of pages5
JournalJournal of AOAC International
Volume97
Issue number4
DOIs
StatePublished - 2014
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science
  • Environmental Chemistry
  • Agronomy and Crop Science
  • Pharmacology

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