Microanalytical investigation of xylem sap of cucumber by total reflection X-ray fluorescence spectrometry

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Abstract

Concentrations of essential elements (K, Ca, Cu, Fe, Mn, Zn) and toxic lead in xylem fluid of cucumber plants growing in lead-free and lead-contaminated nutrient solutions were determined by total reflection X-ray fluorescence spectrometry. Amounts of essential elements transported in xylem during the bleeding period are lower by a factor of 1.1-1.4 for lead-contaminated plants with the exception of manganese. Its transport increases in the presence of lead contamination by a factor of 1.3. This observation was also confirmed by inductively coupled plasma atomic emission spectrometry of plant parts (leaves, stems) after their microwave dissolution.

Original languageEnglish
Pages (from-to)64-71
Number of pages8
JournalMicrochemical Journal
Volume55
Issue number1
DOIs
Publication statusPublished - Jan 1997

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

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