Environmental Radiochemical Analysis

About this book

This text presents research in the three areas of radiochemistry, the environment and analysis. Radium and radon in the environment, the use of bioindicators for radium and caesium and the analysis of actinides are among the subjects presented, along with a section on tritium and carbon-14 measurement. A range of measurement methods are discussed, as is the role of quality assurance and accreditation.

Contents

Fractionation of Ra-226 in Florida phosphogypsum; leaching of radium-226 from Syrian phosphogypsum; radium contamination of military sites; radon and radium determination in groundwater from a volcanic zone in Central Mexico; radon-222 measurements in different locations in the region of Campinas, SP, Brazil; land snails as bioindicators of soil 137Cs and 226Ra contamination; improvements in evaluation of 137Cs deposit from spectra obtained by field in-situ spectrometry; analytical determination of actinides in biological samples using PERALS system; determination of americium and plutonium in contaminated soil samples; the measurement of the plutonium content of human foetal and placental tissue; influence of photochemical reactions upon the redox cycling of plutonium between the solid and liquid phases in seawater; determination of plutonium isotopes at trace levels; environmental samples; radioisotopes and stable element evolution during the radiochemical methods; comparison of three radiochemical protocols; measurement of electrosprayed plutonium isotopes using 4tt-alpha spectrometry (ES-4ttAS)-application to environmental samples; an intercomparison of Th-232 measurements in UK laboratories; determination of a uranium contamination depth profile in concrete; uranium behaviour through the unsaturated zone in soil; tritium measurements after enrichment in precipitation collected at SCK-CEN MOL; studies on gaseous species of tritium and carbon-14 in environmental air around nuclear establishments; recent developments in the analysis of tritium, carbon-14 and sulphur-35 using a combustion technique; sampling of gaseous species of 35S in the vicinity of different nuclear installations; use of a single strontium binding resin in a batch process followed by elution and precipitation of SrCO3 for the efficient analysis of Sr-89 in liquid milk. (Part contents)

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