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Radionuclides in children food and novel methods for low level activity determination (RiChFALL)

Principal investigator

Category
Projekti Hrvatske zaklade za znanost
Finance value
945000
HRK
Start date
Feb 1st 2020
End date
Jan 31st 2024
Status
Active

Division for Marine and Environmental Research

Based on scientific interests and requirements from the legislative framework (food safety control, environmental monitoring, nuclear safety, etc.), the objectives of this project are:

  • to conduct a comprehensive analysis of long-lived alpha, beta and gamma emitters both natural and artificial in children foods available on the market and to determine the ingestion dose for certain age groups of children
  • development of system (active and passive) for reduction of background radiation in gamma-spectrometric measurements with a view to reduce detection limits especially in the low-energy part of the spectrum in order to facilitate easier, swifter and more accurate determination of isotopes in the uranium and thorium decay series
  • development of a mathematical calibration model for germanium detectors for specific samples
  • development of novel radiochemical methods of separation of natural and artificial radionuclides from complex samples (food and drinking water) with a view to simplification and acceleration in relation to the existing methods, with emphasis on the development of a automatic method of simultaneous isolation and separation of 90Sr, 210Pb, 210Po and 226,228Ra from complex samples

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