Determination of total iron in foods by isotope dilution fast atom bombardment mass spectrometry

Abstract

A method employing isotope dilution fast atom bombardment mass spectrometry has been developed for the quantitative determination of iron in foods. Samples were spiked with an enriched source of 54Fe, digested with concentrated HNO3/H2SO4 and the iron extracted from 6 M HCl into diethyl ether. Bracketing procedures gave precisions ranging from 1.30-4.49% relative standard deviation (RSD) for isotope ratio measurements and 1.26-6.44% RSD for iron measurements.

Analytical Chemistry of Element Determination (Non‐Nuclear and Nuclear)

“…Koppenaal's next review (1992) also covers SNMS: sputtered neutrals mass spectrometry; PBMS, photon burst mass spectrometry; and NAMS, neutron activation mass spectrometry. The reviews of Bacon et al, in Journal of Analytical Atomic Spectrometry, named Atomic spectrometry update -atomic mass spectrometry and X-ray fluorescence spectrometry, and later Atomic Spectrometry UpdateAtomic Mass Spectrometry (Bacon et al 1991(Bacon et al , 1993(Bacon et al , 2001(Bacon et al , 2002 on inorganic mass spectrometry and X-ray fluorescence spectrometry, include various variants of mass spectrometric techniques such as accelerator MS ( An example of an MS application is the work on the determination of total iron in foods by isotope dilution fast atom bombardment mass spectrometry (Gharaibeh et al (1985).…”

Quantitation of stable isotopic tracers of calcium by fast atom bombardment mass spectrometry

“…Fast atom bombardment mass spectrometry (FARMS), a form of secondary ion mass spectrometry (SIMS), or particle desorption mass spectrometry (PDMS) provides the basis for an alternative method for determining the isotopic abundances of metals (8)(9)(10)(11). This method uses a high-energy (8 keV) beam of xenon atoms to desorb ions from the surface of the sample.…”