• Article  

      Alpha-radiometry of seawater by liquid scintillation counting 

      Antoniou, Stella; Costa, Constantinos; Pashalidis, Ioannis (2006)
      Liquid scintillation counting of the alpha-radionuclides after pre-concentration by cation-exchange represents a simple and robust method for the determination of total alpha-radioactivity in seawater. The total efficiency ...
    • Article  

      Redox chemistry of sulphate and uranium in a phosphogypsum tailings dump 

      Papanicolaou, F.; Antoniou, Stella; Pashalidis, Ioannis (2010)
      The present study aims to assess the effect of redox conditions existing within the tailings dump on the stability of phosphogypsum (e.g. sulphate reduction) and uranium(VI). Phosphogypsum sampling and in-situ measurements ...
    • Article  

      Uranium levels in Cypriot groundwater samples determined by ICP-MS and α-spectroscopy 

      Charalambous, Chrystalla; Aletrari, Maria; Piera, Panagiota; Nicolaidou-Kanari, Popi; Efstathiou, Maria; Pashalidis, Ioannis (2013)
      The uranium concentration and the isotopic ratio 238U/234U have been determined in Cypriot groundwater samples by ICP-MS after ultrafiltration and acidification of the samples and α-spectroscopy after pre-concentration and ...