ACKNOWLEDGMENT
We thank H. Go¨ktu¨ rk and O. Y. Ataman for helpful
suggestions and for corrections of the manuscript.
ABBREVIATIONS USED
AAS, atomic absorption spectrometry; AOAC, Association
of Official Analytical Chemists; ETA-AAS,
electrothermal atomization atomic absorption spectrometry;
FAAS, flame atomic absorption spectrometry; HGAAS,
hydride generation atomic absorption spectrometry;
ICUMSA, International Commission for Uniform
Methods of Sugar Analysis.