Željko Grahek

Željko Grahek is a senior researcher at the Laboratory for Radioecology, Division for Marine and Environmental Research, Ruđer Bošković Institute, Croatia. He holds a PhD (1997), M.Sc. (1993), and B.Sc. (1987) in Chemical Engineering from the University of Zagreb.

• PhD in Chemical Engineering, University of Zagreb (1997)
• M.Sc. in Chemical Engineering, University of Zagreb (1993)
• B.Sc. in Technology, University of Zagreb (1987)

His research focuses on nuclear analytical methods for environmental samples, including Cherenkov counting, chromatographic separation, and strontium/radionuclide determination. Key areas include radioecology, radiation protection, and radioactive waste analysis.

Recent publications highlight his work on Cherenkov detection for strontium isotopes, zeolite-based separation of radioactive elements, and environmental contamination assessment in food, water, and agricultural products. He has pioneered automated systems for rapid radionuclide determination.

Željko Grahek mentors students in radiochemistry and nuclear methods, with contributions to interlaboratory comparisons and methodological improvements in radioanalytical chemistry. His work spans collaborations with institutions like the Institute Jožef Stefan and University of Seville.