title: Application of ICP-MS, INAA and RNAA to the determination of some "difficult" elements in infant formulas.
abstract: In this work a determination of selected elements in the infant formulas commercially available on the Polish market was done. 14 different materials (milk-based formulas and grain porridges) were analyzed. Both, inductively coupled plasma mass spectrometry (ICP-MS) and instrumental neutron activation analysis (INAA) were applied for the determination of As, Cr, Fe and Se, which are recognized as the problematic elements for ICP-MS. For As and Se, the radiochemical NAA was also used. The daily intake of Se and Fe in the age 0-6 months for non-breast fed infants was estimated and compared with present safety limits.
authors.affiliation: Laboratory of Nuclear Analytical Techniques, Institute of Nuclear Chemistry and Technology, 16 Dorodna, 03-195 Warsaw, Poland.
authors.forename: Ewelina
authors.initials: E
authors.lastname: Chajduk
authors.affiliation: Laboratory of Nuclear Analytical Techniques, Institute of Nuclear Chemistry and Technology, 16 Dorodna, 03-195 Warsaw, Poland.
authors.forename: Halina
authors.initials: H
authors.lastname: Polkowska-Motrenko
keywords: Grain porridges; Inductively coupled plasma mass spectrometry; Neutron activation analysis; Powdered milk; Trace elements