Abstract
A procedure based on radiochemical neutron activation analysis was developed for the determination of chromium in biological materials. The procedure consists of irradiation of reference and test samples in a nuclear reactor, microwave sample digestion, selective and quantitative radiochemical separations of chromium and gamma-ray spectrometric measurement of 51Cr. Separation of chromium from the accompanying elements was done on the column packed with inorganic resin MnO2 Resin. Distribution coefficients of Cr, Zn, Co, Cs and Sc were determined in the system: MnO2 Resin—HCl, HNO3 and H2SO4. Accuracy of the procedure was checked by analysis of certified reference materials.
Highlights
Chromium is an element belonging to the group of potentially toxic metals
A procedure based on radiochemical neutron activation analysis was developed for the determination of chromium in biological materials
The half-life of the radionuclide 51Cr (T = 27.7 days) gives the opportunity to apply both versions of neutron activation analysis (NAA): instrumental and radiochemical
Summary
Chromium is an element belonging to the group of potentially toxic metals. It is a pollutant, mainly derived from human activities such as leather tanning, electroplating, wood preserving and the metallurgy industry [1,2,3]. Abstract A procedure based on radiochemical neutron activation analysis was developed for the determination of chromium in biological materials.
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