Dr. Željko Grahek

Head of laboratory

E-mail

zgrahek@irb.hr

Telephone

+385 1 456 1060

Mobile

099/272-4732

Internal phone number

1220

Department

Division for Marine and Environmental Research

Laboratory

Laboratory for Radioecology

Address

Bijenička cesta 54
10002 Zagreb
Croatia

Education

1997 Faculty of Chemical Engineering and Technology University of Zagreb Engineer Chemistry, PhD
1993 Faculty of Chemical Engineering and Technology University of Zagreb Engineer Chemistry, M.Sc.
1987 Faculty of Technology University of Zagreb, B.Sc.

Publications - editorial books

Zbornik radova s konferencije

Proceedings of the Seventh Symposium of the Croatian Radiation Protection Association / Zbornik radova Sedmog simpozija Hrvatskog društva za zaštitu od zračenja / Barišić, Delko ; Grahek, Željko ; Krajcar Bronić, Ines et al. (ur.). Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2008

Publications - book chapters

Izvorni znanstveni rad

L’Annunziata, Michael F. ; Grahek, Željko ; Todorović, Nataša | Cherenkov counting // Handbook of Radioactivity Analysis. | London : Delhi: Academic Press ; Elsevier, 2020. str. 393-530 . doi: 10.1016/B978-0-12-814395-7.00006-4
doiwww.sciencedirect.comdoi.org

Publications - journal articles

Izvorni znanstveni rad

Skoko, Božena; Magdić Košiček, Katja; Ilievski, Tomislav; Karanović, Gorana; Grahek, Željko; Coha, Ivana; Pavičić-Hamer, Dijana; Tucaković, Ivana | Radionuclides determination by alpha (210Po, 228,230,232Th) and gamma (226,228Ra, 137Cs, 40K) spectrometry in children's food in Croatia with assessment of cumulative ingestion dose for infants // Journal of food composition and analysis, 136 (2024), 106828, 21. doi: 10.1016/j.jfca.2024.106828
doiwww.sciencedirect.com
Ilievski, Tomislav; Skoko, Božena; Karanović, Gorana; Grahek, Željko; Magdić Košiček, Katja; Coha, Ivana; Pavičić-Hamer, Dijana; Tucaković, Ivana | Radioactivity in food crops from the family farms in Croatia with ingestion dose assessment // Food control, 167 (2025), 110805, 1. doi: 10.1016/j.foodcont.2024.110805
doiwww.sciencedirect.comfulir.irb.hr
Topolovac, Željka; Tucaković, Ivana; Barišić, Delko; Grahek, Željko; Bermanec, Vladimir; | Nuclear forensics case in Croatia: elevated U and Ra radioactive material found at Karasovići border // Journal of radioanalytical and nuclear chemistry, (2024), doi: 10.1007/s10967-023-09286-5
doi
Grahek, Željko; Coha, Ivana; Tucaković, Ivana | Radiostrontium determination by combination of automated Sr isolation and “on-column” Cherenkov detection using chromatographic model // Journal of Chromatography A, 2023 (2023), 464276, 13. doi: https://doi.org/10.1016/j.chroma.2023.464276
doiwww.sciencedirect.com
Smječanin, Narcisa ; Nuhanović, Mirza ; Sulejmanović, Jasmina ; Grahek, Željko ; Odobašić, Amra | Study of uranium biosorption process in aqueous solution by red beet peel // Journal of radioanalytical and nuclear chemistry, 331 (2022), 3; 1459-1471. doi: 10.1007/s10967-022-08192-6
doilink.springer.com
Tucaković, Ivana ; Karanović, Gorana ; Coha, Ivana ; Pavičić- Hamer, Dijana ; Grahek, Željko | Radionuclides in commercial children's food consumed in Croatia // Food control, 145 (2023), 109413, 6. doi: 10.1016/j.foodcont.2022.109413
doiwww.sciencedirect.com
Coha, Ivana ; Smičiklas ; Ivana, Tucaković, Ivana ; Jović, Mihajlo ; Šljivić-Ivanović, Marija ; Grahek, Željko | Novel approach for strontium preconcentration from seawater and rapid determination of 89,90Sr in emergency situations // Talanta, 250 (2022), 123722, 7. doi: 10.1016/j.talanta.2022.123722
doiwww.sciencedirect.comdoi.org
Smičiklas, Ivana ; Coha, Ivana ; Jović, Mihajlo ; Nodilo, Marijana ; Šljivić-Ivanović, Marija ; Smiljanić, Slavko ; Grahek, Željko | Efficient separation of strontium radionuclides from high-salinity wastewater by zeolite 4A synthesized from Bayer process liquids // Scientific reports, 11 (2021), 1; 1738, 14. doi: 10.1038/s41598-021-81255-y
doiwww.nature.comdoi.orgfulir.irb.hr
Coha, Ivana ; Dulanská, Silvia ; Tucaković, Ivana ; Grahek, Željko | Synergy of flow injection system and molecular recognition technology products for rapid determination of 89,90Sr and 210Pb // Talanta, 225 (2021), 121959, 11. doi: 10.1016/j.talanta.2020.121959
doiwww.sciencedirect.comdoi.org
Dulanská, Silvia ; Coha, Ivana ; Silliková, Veronika ; Goneková, Zuzana ; Horváthová, Bianka ; Nodilo, Marijana ; Grahek, Željko | Sequential determination of 90Sr and 210Pb in bone samples using molecular recognition // Microchemical journal, 157 (2020), 105123, 7. doi: 10.1016/j.microc.2020.105123
doiwww.sciencedirect.comfulir.irb.hr
Stanić, Goran ; Nikolov, Jovana ; Tucaković, Ivana ; Mrđa, Dušan ; Todorović, Nataša ; Grahek, Željko ; Coha, Ivana ; Vraničar, Andrej | Angle vs. LabSOCS for HPGe efficiency calibration // Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 920 (2019), 81-87. doi: 10.1016/j.nima.2018.12.059
doiwww.sciencedirect.comdoi.org
Tucaković, Ivana ; Barišić, Delko ; Grahek, Željko | Application of mathematical calibrations in measurements of gamma emitting radionuclides in honey samples and borosilicate filters // Applied radiation and isotopes, 126 (2017), 162-164. doi: 10.1016/j.apradiso.2017.02.016
doiwww.sciencedirect.comdoi.org
Grahek, Željko ; Dulanská, Silvia ; Karanović, Gorana ; Coha, Ivana ; Tucaković, Ivana ; Nodilo, Marijana ; Mátel, Ľubomír | Comparison of different methodologies for the 90 Sr determination in environmental samples // Journal of environmental radioactivity, 181 (2018), 18-31. doi: 10.1016/j.jenvrad.2017.10.012
doiwww.sciencedirect.com
Tucaković, Ivana ; Barišić, Delko ; Grahek, Željko ; Kasap, Ante ; Širić, Ivan | 137Cs in mushrooms from Croatia sampled 15 to 30 years after Chernobyl // Journal of environmental radioactivity, 181 (2018), 147-151. doi: 10.1016/j.jenvrad.2017.11.004
doiwww.sciencedirect.com
Grahek, Željko ; Breznik, Borut ; Stojković, Ivana ; Coha, Ivana ; Nikolov, Jovana ; Todorović, Nataša | Measurement of tritium in the Sava and Danube Rivers // Journal of environmental radioactivity, 162-163 (2016), 56-67. doi: 10.1016/j.jenvrad.2016.05.014
doiwww.sciencedirect.comdx.doi.org
Coha, Ivana ; Neufuss, Soběslav ; Grahek, Željko ; Mojmír ; Nodilo, Marijana ; John, Jan | The effect of counting conditions on pure beta emitter determination by Cherenkov counting // Journal of radioanalytical and nuclear chemistry, 310 (2016), 2; 891-903. doi: 10.1007/s10967-016-4853-y
doilink.springer.com
Milanović, Ivana ; Grahek, Željko | Semi-automated Procedure for the Determination of 89, 90Sr in Environmental Samples by Cherenkov Counting // Journal of radioanalytical and nuclear chemistry, 303 (2015), 2; 1453-1457. doi: 10.1007/s10967-014-3614-z
doilink.springer.com
Grahek, Željko ; Milanović, Ivana ; Nodilo, Marijana ; Rožmarić, Martina | Sequential separation of Fe and Sr from liquid samples by using Sr resin and rapid determination of 55Fe and 89, 90Sr // Applied radiation and isotopes, 81 (2013), 42-48. doi: 10.1016/j.apradiso.2013.03.037
doidx.doi.orgwww.sciencedirect.com
Grahek, Željko ; Nodilo, Marijana | Continuous separation of Sr, Y and some actinides by mixed solvent anion exchange and determination of 89, 90Sr, 238, 239Pu and 241Am in soil and vegetation samples // Journal of radioanalytical and nuclear chemistry, 293 (2012), 3; 815-827. doi: 10.1007/s10967-012-1740-z
doilink.springer.com
Grahek, Željko ; Karanović, Gorana ; Nodilo, Marijana | Rapid determination of 89, 90Sr in wide range of activity concentration by combination of yttrium, strontium separation and Cherenkov counting // Journal of radioanalytical and nuclear chemistry, 292 (2012), 2; 555-569. doi: 10.1007/s10967-011-1441-z
doilink.springer.com
Grahek, Željko ; Gojmerac Ivšić, Astrid ; Krljan, Nikolina ; Nodilo, Marijana | Separtion of Sr in combination of ion exchange and Sr resin with alcohol-nitric acid solution and rapid determination of 90Sr in wine and soil samples // Journal of radioanalytical and nuclear chemistry, 289 (2011), 2; 437-449
link.springer.com
Grahek, Željko ; Lukić, S. ; Košutić, Krešimir ; Eškinja, Ivan ; Cerjan-Stefanović, Štefica | Separation of Radioactive Strontium from Natural Samples by means of Mixed-solvent Anion Exchange // Journal of radioanalytical and nuclear chemistry, 189 (1995), 1; 141-146. doi: 10.1007/BF02040192
doispringerlink3.metapress.comwww.springerlink.com
Grahek, Željko ; Eškinja, Ivan ; Cerjan-Stefanović, Štefica ; Kvastek, Krešimir ; Lulić, Stjepan | Separation of Stroncium from Calcium by means of Anion Exchanger and Alcoholic Solution of Nitric Acid // Journal of radioanalytical and nuclear chemistry, 182 (1994), 2; 401-413. doi: 10.1007/BF02037517
doilink.springer.comakademiai.com
Rožmarić, Martina ; Gojmerac Ivšić, Astrid ; Grahek, Željko | Determination of uranium and thorium in complex samples using chromatographic separation, ICP-MS and spectrophotometric detection // Talanta, 80 (2009), 352-360. doi: 10.1016/j.talanta.2009.06.078
doiwww.sciencedirect.comdoi.org
Dragčević, Đurđica ; Bujan, Marija ; Grahek, Željko ; Filipović-Vinceković, Nada | Adsorption at the air/water interface in dodecylammonium chloride/sodium dodecyl sulfate mixtures // Colloid and polymer science, 273 (1995), 10; 967-973. doi: 10.1007/BF00660375
doilink.springer.com
Grahek, Željko ; Košutić, Katarina ; Rožmarić Mačefat, Martina | Strontium isolation from natural samples with Sr resin and subsequent determination of 90Sr // Journal of radioanalytical and nuclear chemistry, 268 (2006), 2; 179-190-x
Grahek, Željko ; Rožmarić Mačefat, Martina ; Lulić, Stipe | Isolation of lead from water samples and determination of 210Pb // Analytica chimica acta, 560 (2006), 1/2; 84-93-x
www.sciencedirect.com
Grahek, Željko ; Rožmarić Mačefat, Martina | Extraction chromatographic separation of iron from complex liquid samples and the determination of 55Fe // Journal of radioanalytical and nuclear chemistry, 267 (2005), 1; 131-137-x
Grahek, Željko ; Rožmarić Mačefat, Martina | Determination of radioactive strontium in seawater // Analytica chimica acta, 534 (2005), 2; 271-279-x
www.sciencedirect.com
Grahek, Željko ; Rožmarić Mačefat, Martina | Isolation of iron and strontium from liquid samples and determination of 55Fe and 89, 90Sr in liquid radioactive waste. // Analytica chimica acta, 511 (2004), 2; 339-348-x
www.sciencedirect.com
Sofilić, Tahir ; Barišić, Delko ; Grahek, Željko ; Cerjan-Stefanović, Štefica ; Rastovčan-Mioč, Alenka ; Mioč, Boris | Radionuclides in metallurgical products and waste // Acta metallurgica Slovaca, 10 (2004), 1; 29-35-x
Grahek, Željko | Calcium-strontium separation by means of mixed solvent anion exchange // Journal of radioanalytical and nuclear chemistry, 247 (2001), 2; 297-305
Grahek, Željko ; Eškinja, Ivan ; Košutić, Katarina ; Cerjan-Stefanović, Štefica | Isolation of yttrium and strontium from soil samples and rapid determination of 90Sr // Croatica chemica acta, 73 (2000), 3; 795-807-x
Grahek, Željko ; Eškinja, Ivan ; Košutić, Katarina ; Lulić, Stipe ; Kvastek, Krešimir | Isolation of radioactive strontium from natural samples : a semi-automatic procedure // Journal of radioanalytical and nuclear chemistry, 241 (1999), 3; 617-626-x
Grahek, Željko ; Košutić, Katarina ; Lulić, Stipe | Improved method for radioactive strontium isolation from various samples by means of mixed solvent anion exchange // Journal of radioanalytical and nuclear chemistry, 242 (1999), 1; 33-40-x
Grahek, Željko ; Zečević, Nenad ; Lulić, Stipe | Possibility of rapid determination low-level 90Sr activity by combination of extraction chromatography separation and Cherenkov counting // Analytica chimica acta, 399 (1999), 3; 237-247-x
Grahek, Željko ; Eškinja, Ivan ; Košutić, Katarina ; Lulić, Stipe ; Kvastek, Krešimir | Isolation of radioactive strontium from natural samples : separation of strontium from alkaline and alkaline earth elements by means of mixed solvent anion exchange // Analytica chimica acta, 379 (1999), 1-2; 107-119-x
Filipović-Vinceković, Nada ; Juranović, Iva ; Grahek, Željko | Interactions in a Binary Mixture of Cationic Surfactants // Colloids and surfaces. A, Physicochemical and engineering aspects, 125 (1997), 2-3; 115-120

Stručni rad

Sofilić, Tahir ; Rastovčan-Mioč, Alenka ; Cerjan-Stefanović, Štefica ; Grahek, Željko | Opravdanost praćenja prisutnosti radionuklida u čeličnom otpadu i sirovom čeliku // Strojarstvo : časopis za teoriju i praksu u strojarstvu, 43 (2001), 4-6; 203-209-x
Sekulić, Bogdan ; Grahek, Željko ; Rožmarić Mačefat, Martina ; Peharec, Željko | Usporedna mjerenja teških metala u organskim i anorganskim uzorcima // EGE : energetika, gospodarstvo, ekologija, etika, 1 (2002), 116-120

Publications - conference proceedings

Izvorni znanstveni rad

Coha, Ivana ; Karanović, Gorana ; Grahek, Željko | Čerenkovljev efekt u određivanju 89, 90Sr // Zbornik radova : XXX simpozijum Društva za zaštitu od zračenja Srbije i Crne Gore. | Beograd: Institut za nuklearne nauke "Vinča" , Društvo za zaštitu od zračenja Srbije i Crne Gore, 2019. str. 337-343
drive.google.com
Coha, Ivana ; Smičiklas, Ivana ; Grahek, Željko ; Šljivić Ivanović, Marija ; Jović, Mihajlo | Novi materijali za separaciju radioaktivnog stroncijuma iz morske vode // Zbornik radova : XXX simpozijum Društva za zaštitu od zračenja Srbije i Crne Gore. | Beograd: Institut za nuklearne nauke, 2019. str. 330-336
drive.google.com
Nodilo, Marijana ; Karanović, Gorana ; Grahek, Željko | Procjena mjernih nesigurnosti i granica detekcije kod određivanja 89, 90Sr Čerenkovljevim brojenjem // Zbornik radova 9. simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2013. str. 489-494
Milanović, Ivana ; Nodilo, Marijana ; Grahek, Željko | Metodologija i interpretacija rezultata određivanja ukupne alfa i beta aktivnosti u tekućim uzorcima // Zbornik radova 9. simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2013. str. 483-488
Rožmarić Mačefat, Martina ; Gojmerac Ivšić, Astrid ; Grahek, Željko ; Barišić, Delko | Određivanje uranija i torija u pitkoj i morskoj vodi // Zbornik radova Sedmog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Denona, 2008. str. 248-253
Sofilić, Tahir ; Rastovčan-Mioč, Alenka ; Cerjan-Stefanović, Štefica ; Grahek, Željko | Prisutnost radionuklida u čeličnom otpadu, sirovom čeliku, elektropećnoj troski i prašini // MATRIB 2001. | Zagreb: Hrvatsko društvo za materijale i tribologiju (HDMT), 2001. str. 227-231
Košutić, Katarina ; Grahek, Željko ; Rožmarić Mačefat, Martina ; Lulić, Stipe | Utjecaj matriksa na odabir metode izolacije radioaktivnog stroncija // Zbornik radova Šestog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb, 2005. str. 420-424-x
Rožmarić Mačefat, Martina ; Grahek, Željko ; Lulić, Stipe | Određivanje 89, 90Sr u morskoj vodi // Zbornik radova Šestog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb, 2005. str. 379-383-x
Rastovčan-Mioč, Alenka ; Sofilić, Tahir ; Cerjan-Stefanović, Štefica ; Grahek, Željko ; Mioč, Boro | Radioactive substances in metallurgicial waste // Zbornik radova Petog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2003. str. 317-322
Košutić, Katarina ; Grahek, Željko ; Lulić, Stipe | Some critical point on 90Sr determination // Proceedings (CD ROM: ISBN 80 88806-43-7). | Bratislava: unknown, 2003. str. CD ROM-x
Grahek, Željko ; Košutić, Katarina | Pregled novih metoda izolacije i određivanja alfa i beta emitera // Zbornik radova petog simpozija Hrvatskog društva za zaštitu od zračenja, 2003. | Zagreb, 2003. str. 284-289-x
Grahek, Željko ; Košutić, Katarina | Određivanje niskih aktivnosti 90Sr(90Y) Čerenkovljevim brojenjem // Zbornik radova petog simpozija Hrvatskog društva za zaštitu od zračenja, 2003. | Zagreb, 2003. str. 278-283-x
Lulić, Stipe ; Mikelić, Luka ; Grahek, Željko | Određivanje radioaktivnog Fe-55 iz WMT-a NE Krško // Zbornik radova petog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb, 2003. str. 273-276-x
Košutić, Katarina ; Grahek, Željko ; Lulić, Stipe | Determination of 90-Sr in the wine samples // Proceedings of IRPA Regional Congres on Radiation Protection in Central Europe. | Budimpešta: Health Physics Section, Roland Eotvos Physical Society, 1999. str. 354-357-x
Lulić, Stipe ; Košutić, Katarina ; Grahek, Željko ; Vertačnik, Astrea ; Černugelj, Josip | UTJECAJ NE KRŠKO I GRADA ZAGREBA NA RADIOAKTIVNOST RIJEKE SAVE // 2. Hrvatska konferencija o vodama, Hrvatske vode od Jadrana do Dunava. | Zagreb: Hrvatske vode, 1999. str. 945-952-x
Grahek, Željko ; Eškinja, Ivan ; Košutić, Katica ; Lulić, Stipe | Rapid method for the 90Sr determination in soil samples // Rapid radioactivity measurements in emergency and routine situations. | Teddington: National Physical Laboratory, 1998. str. 119-127-x
Košutić, Katarina ; Grahek, Željko ; Lulić, Stipe | Kritički osvrt na određivanje 90-Sr // Zbornik radova IV. simpozija HDZZ. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 1998. str. 195-199-x
Grahek, Zeljko ; Košutic, Katarina ; Lulic, Stipe | Modern methods for radiostrontium determination // Proceedings of the IRPA Regional Symposium on Radiation Protection in Neighbouring Countries of Central Europe 1997. | Prag: Faculty of Nucl. Sci.and Phys. Eng, Czech Tech. Univ. Prague, 1997. str. 528-530-x
Košutic, Katarina ; Grahek, Zeljko ; Lulic, Stipe | Study of Cs-137 and Sr-90 radioactivity level in ground water and surface water in the surroundings of Zagreb // Proceedings of the IRPA Regional Symposium on Radiation Protection in Neighbouring Countries of Central Europe 1997. | Prag: Faculty of Nucl. Sci.and Phys. Eng, Czech Tech. Univ. Prague, 1997. str. 407-410-x
Grahek, Zeljko ; Košutic, Katarina ; Lulic, Stipe | Brza metoda za određivanje radioaktivnog stroncija u prirodnim uzorcima = Rapid method for the radioactive strontium determlnation in natural samples // Zbornik radova Treceg simpozija Hrvatskoga društva za zaštitu od zracenja = Proceedings of the Symposium of the Croatian Radiation Protection Association. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 1996. str. 317-322-x

Sažetak izlaganja sa skupa

Ilievski, Tomislav; Tucaković, Ivana; Skoko, Božena; Coha, Ivana; Karanović, Gorana; Grahek, Željko; Smičiklas, Ivana; Magdić Košiček, Katja; Barišić, Delko; Pavičić-Hamer, Dijana | Radioactivity in agricultural crops and soils from the family farms in Croatia // ENVIRA 2023, 7th International Conference on Environmental Radioactivity "New challenges in the determination of environmental radioactivity". | Sevilla: University of Seville, 2023. str. 262.-262
us.ticmeet.com
Coha, Ivana ; Grahek, Željko ; Poiškruh, Klara ; Kožar Logar, Jasmina | Međulaboratorijske usporedbe određivanja ukupne alfa i ukupne beta aktivnosti u vodi – iskustva i rezultati laboratorija za radioekologiju Instituta Ruđer Bošković i Odsjeka za fiziku niskih i srednjih energija Instituta Jožef Stefan // Zbornik sažetaka trinaestog simpozija Hrvatskog društva za zaštitu od zračenja = Book of abstracts of the 13th Symposium of the Croatian radiation protection association. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2023. str. 143-144
Tucaković, Ivana ; Karanović, Gorana ; Coha, Ivana ; Pavičić-Hamer, Dijana ; Grahek, Željko ; Skoko, Božena ; Ilievski, Tomislav | Determination of radionuclides in commercial children's food consumed in Croatia / Određivanje radionuklida u komercijalnoj dječjoj hrani korištenoj u Hrvatskoj // Zbornik sažetaka trinaestog simpozija Hrvatskog društva za zaštitu od zračenja = Book of abstracts of the 13th Symposium of the Croatian radiation protection association. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2023. str. 64-65
www.hdzz.hr
Coha, Ivana ; Smičiklas, Ivana ; Nodilo, Marijana ; Tucaković, Ivana ; Ivković, Martina ; Grahek, Željko | Novel approach for strontium preconcentration from seawater // Book of Abstracts - RANC - 2nd International Conference on Radioanalytical and Nuclear Chemistry. | 2019. str. 115-115
www.chemistryviews.org
Dulanská, Silvia ; Nodilo, Marijana ; Rajec, Pavol ; Mátel, Ľubomír ; Grahek, Željko ; Tucaković, Ivana | Determination of important radionuclides in soil samples from the Island of Mljet, Croatia // ENVIRA 2017 : Book of abstracts. | Vilnius, 2017. str. 239-239
Nodilo, Marijana ; Dulanská, Silvia ; Mátel, Ľubomír ; Grahek, Željko | Subsequent determination of 90Sr and 210Pb in goat bones samples from Island of Mljet, Croatia // LSC2017, An International conference on advances in Liquid Scintillation Spectrometry : Abstract Book. | Kopenhagen, 2017, ID245, 2
lsc2017.nutech.dtu.dk
Grahek, Željko ; Coha, Ivana | An Analitical Solution of Non‐linear Equation of Chromatography and Its Application in Determination of Radioactive Strontium. // Tenth International Conference on Methods and Applications of Radioanalytical Chemistry. | 2015
www.marcconference.org
Coha, Ivana ; Grahek, Željko | On Column Cherenkov Detection of Sr-89, 90 // Tenth International Conference on Methods and Applications of Radioanalytical Chemistry. | 2015. str. 35-35
www.marcconference.org
Karanović, Gorana; Milanović, Ivana; Grahek Željko | Simultaneous use of anion exchanger and Sr resin for efficient strontium isolatin from complex matrices // 4th International Nuclear Chemistry Congress. | São Paulo, 2014. str. 182-182
Milanović, Ivana ; Grahek, Željko | Semi-automated Procedure for Rapid Determination of 90Sr in Water Samples by Cherenkov Counting // 17th Radiochemical Conference - Booklet of Abstacts. | 2014
Milanović, Ivana ; Grahek Željko | Semi-automated procedure for the determination of 89, 90Sr in environmental samples by Cherenkov counting // APSORC'13 - 5th Asia-Pacific Symposium on Radiochemistry. | 2013
Nodilo, Marijana ; Milanović, Ivana ; Grahek, Željko | Determination of 55Fe and 89, 90Sr in liquid samples using Sr and/or Pb resins for the mutual separation of Fe and Sr // 5th Asia-Pacific Symposium on Radiochemistry APSORC 13 Book of Abstracts. | 2013. str. 23-ENP-01-x
Grahek, Željko ; Nodilo, Marijana | Sequential separation of Y, Sr, Pu and Am by mixed solvent anion exchange and determination of 89, 90Sr, 241Am and 238, 239Pu // Abstracts of ICRM-LLRMT'12. | 2012. str. P-013-x
Grahek, Željko ; Nodilo, Marijana | Sequential separation of Fe and Sr from liquid samples by using Sr resin and rapid determination of 55Fe and 89, 90Sr // Abstracts of ICRM-LLRMT'12. | 2012. str. O-012-x
Rožmarić Mačefat, Martina ; Grahek, Željko | Elektrostatska sorpcija kationa na anionske izmjenjivače i njena primjena u određivanju radionuklida // XXI. Hrvatski skup kemičara i kemijskih inženjera – Knjiga sažetaka. | Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2009. str. 142-x
Grahek, Željko ; Rožmarić Mačefat, Martina | Dimenzioniranje kromatografskih kolona kod određivanja radionuklida - primjena u određivanju radioaktivnog stroncija // XXI. Hrvatski skup kemičara i kemijskih inženjera – Knjiga sažetaka. | Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2009. str. 127-x
Grahek, Željko | Determination of Sr-89, 90 in complex samples // Abstracts, IRPA 12, Strengthening Radiation Protection Worldwide. | Buenos Aires, 2008. str. 177-178
Rožmarić Mačefat, Martina ; Grahek, Željko ; Gojmerac Ivšić, Astrid | Determination of uranium in liquid samples // Abstracts, IRPA 12, Strengthening Radiation Protection Worldwide. | Buenos Aires, 2008. str. 454-455
Grahek, Željko ; Rožmarić Mačefat, Martina ; Nodilo, Marijana | Separation of strontium from complex samples and determination of Sr-89, 90 // Book of Abstracts, ICRM-LLRMT´08. | Braunschweig, 2008. str. 103-x
Rožmarić Mačefat, Martina ; Grahek, Željko | Isolation of iron from liquid samples and Fe-55 determination // Book of Abstracts, ICRM-LLRMT´08. | Braunschweig, 2008. str. 104-x
Filipović-Vinceković, Nada ; Juranović, Iva ; Grahek, Željko | Interactions in Binary Mixture of Cationic Surfactants // Book of Abstracts. IX Euopean Colloid and Interface Science Conference. | Barcelona: Steinkopff, Darmstadt, 1995. str. 202-202-x
Rožmarić Mačefat, Martina ; Grahek, Željko ; Lulić, Stipe | Determination of 210Pb in water samples // IRPA 2006 : Radiation Protection: from Knowledge to Action : Book of Abstracts. | Pariz, 2006. str. 107-x
Rožmarić Mačefat, Martina ; Gojmerac Ivšić, Astrid ; Grahek, Željko ; Lulić, Stipe | Isolation of uranium and thorium from natural samples // International Conference Analytical Chemistry and Chemical Analysis (AC&CA-05), Book of Abstracts. | Kijev: Kyiv Taras Shevchenko, National University, Ukraine, 2005. str. 214-x
Grahek, Željko ; Lulić, Stjepan ; Mikelić, Luka | Rapid determination of 55Fe and 89, 90Sr in liqud samples // Book of Abstracts 1st International Meeting on Applied Physics (APHYS-2003). | Badajoz, 2003. str. 93-93-x
Barišić, Delko ; Grahek, Željko ; Vaupotič, Janja | Rapid method for simultaneous measurements of total alpha, 222Rn and 220Rn activity in soil gas. // Book of Abstracts 1st International Meeting on Applied Physics (APHYS-2003). | Badajoz: unknown, 2003. str. 94-94-x
Rastovčan-Mioč, Alenka ; Sofilić, Tahir ; Grahek, Željko | Radioaktivne tvari u elekropećnoj trosci // I. hrvatska konferencija Ekoinženjerstvo 2002 : Knjiga sažetaka. | Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2002. str. 155-155
Košutić, Katarina ; Grahek, Željko | Determination of low-level radiostrontium activities in natural samples // Book of abstracts of the 10th International Congress of The International Radiation Protection Association. | Hiroshima: International Radiation Protection Association (IRPA), 2000. str. 111-111-x
Grahek, Željko | Application of plate theory at the calcium-strontium chromatographic separation // Book of abstracts: 22nd International Symposium on Chromatography. | Rim: ISC98, 1998. str. 252-x
Košutic, Katarina ; Grahek, Zeljko ; Lulic, Stipe | The bioacumullation factor for strontium in some danube fishes // 21st Workshop on Radiation Protection. | Roland Eötvös : Physical Society Health Physics Section, 1996. str. 76-76-x

Ostalo

Ivković, Martina ; Nodilo, Marijana ; Grahek, Željko ; Coha, Ivana | Optimizacija detekcije radioaktivnog stroncija Čerenkovljevim brojenjem // Zbornik radova Dvanaestog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2019. str. 336-340
www.hdzz.hr
Smičiklas, Ivana ; Nodilo, Marijana ; Coha, Ivana ; Jović, Mihajlo ; Šljivić-Ivanović, Marija ; Tucaković, Ivana ; Grahek, Željko | Removal/preconcentration of Cs and Pb ions by natural clinoptilolite and synthetic Zeolite 4A // Zbornik radova 12. simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2019. str. 326-330
www.hdzz.hr
Karanović, Gorana ; Coha, Ivana ; Tucaković, Ivana ; Volčanšek, Aleš ; Breznik, Borut ; Grahek, Željko | Retrospektivni prikaz radioaktivnosti tekućih efluenata in Nuklearne elektrane Krško // Zbornik radova 12. simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2019. str. 251-256
www.hdzz.hr
Sarap, Nataša B. ; Nodilo, Marijana ; Štrok, Marko ; Janković, Marija M. ; Grahek, Željko | Intercomparison of different methodologies for determination of radiostrontium in soil samples // Zbornik radova jedanaestog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2017. str. 255-260
Nodilo, Marijana ; Dulanská, Silvia ; Mátel, Ľubomír ; Grahek, Željko ; Barišić, Delko | Radioisotopes in ground soil terra rossa samples from the island of Mljet // Zbornik radova jedanaestog simpozija Hrvatskog društva za zaštitu od zračenja. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2017. str. 249-254

Prošireni sažetak izlaganja sa skupa

Skoko, Božena ; Tucaković, Ivana, Štrok, Marko ; Grahek, Željko ; Ilievski, Tomislav | Vertikalna distribucija 210Po u poljoprivrednim tlima // Zbornik sažetaka trinaestog simpozija Hrvatskog društva za zaštitu od zračenja = Book of abstracts of the 13th Symposium of the Croatian radiation protection association. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2023. str. 117-118
www.hdzz.hr
Skoko, Božena ; Coha, Ivana ; Štrok, Marko ; Bošnir, Domagoj ; Grahek, Željko | Usporedba Sr i AnaLig smole za određivanje 210Pb u organskim uzorcima // Zbornik sažetaka trinaestog simpozija Hrvatskog društva za zaštitu od zračenja = Book of abstracts of the 13th Symposium of the Croatian radiation protection association. | Zagreb: Hrvatsko društvo za zaštitu od zračenja, 2023. str. 152-153
www.hdzz.hr
Coha, Ivana ; Ilievski, Tomislav ; Ivković, Martina ; Karanović, Gorana ; Skoko, Božena ; Tucaković, Ivana ; Grahek, Željko | Razvoj metode određivanja 210Pb kombinacijom kromatografskog odjeljivanja i tekućinske scintilacijske detekcije // Zbornik sažetaka trinaestog simpozija Hrvatskog društva za zaštitu od zračenja = Book of abstracts of the 13th Symposium of the Croatian radiation protection association. | Zagreb: Vlastita naklada, 2023. str. 141-142
www.hdzz.hrwww.hdzz.hr

Publications - Conference journals

Sažetak izlaganja sa skupa

Tucaković, Ivana ; Coha, Ivana ; Grahek, Željko | Combination of an automated isolation method and gamma spectrometry for determination of Fe- 55 in complex samples // Czech Chemical Society Symposium Series, 2018. str. 170-170
www.ccsss.cz
Coha, Ivana ; Dulanská, Silvia ; Grahek, Željko ; Štofaníková, Michaela ; Tucaković, Ivana | Synergy of sequential injection analysis and molecular recognition technology for low-level 90Sr activity determination // Czech Chemical Society Symposium Series, 2018. str. 121-121
www.ccsss.cz

Publications - Graded papers

Doktorski rad

Coha, Ivana | Brzo određivanje 89, 90Sr u kompleksnim uzorcima Čerenkovljevim brojenjem na kromatografskoj koloni / Ašperger, Danijela ; Grahek, Željko (mentor). | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 2019
Nodilo, Marijana | Razvoj brzih metoda određivanja 55Fe, 89, 90Sr i nekih alfa emitera u kompleksnim uzorcima / Grahek, Željko ; Milardović, Stjepan (mentor). | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 2014
Rožmarić Mačefat, Martina | Određivanje niskih aktivnosti alfa i beta emitera u prirodnim uzorcima / Grahek, Željko (mentor). | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2008
Grahek, Željko | Izolacija radioaktivnog stroncija iz prirodnih uzoraka / Cerjan-Stefanović, Štefica (mentor); Eškinja, Ivan (neposredni voditelj) . | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 1997
Grahek, Željko | Izolacija radioaktivnog stroncija iz prirodnih uzoraka / Eškinja, Ivan (mentor). | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 1997

Diplomski rad (sveučilišni)

Šuša, Maja | Kromatografska separacija stroncija i olova iz kompleksnih uzoraka praćena izotopskom analizom / Ašperger, Danijela (mentor); Grahek, Željko (neposredni voditelj) . | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 2016
Lojan, Danijela | Kromatografsko odjeljivanje stroncija i olova / Grahek, Željko (mentor); Rožmarić Mačefat, Martina (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2006
Kraljić, Kristina | Određivanje metalnih iona u uzorcima međimurskih vina / Grahek, Željko (mentor); Rožmarić Mačefat, Martina (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2009
Lojan, Ivana | Određivanje uranija u tekućim uzorcima / Grahek, Željko (mentor); Rožmarić Mačefat, Martina (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2006
Bubić, Ivan | Izolacija stroncija i olova iz slozenih uzoraka metodom ionske kromatografije / Grahek, Željko (mentor); Rožmarić Mačefat, Martina (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2007
Kraljić, Kristina | Određivanje metalnih iona u uzorcima međimurskih vina / Gojmerac Ivšić, Astrid (mentor); Grahek, Željko (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2009
Đurić, Ivana | Izolacija uranija i torija iz prirodnih uzoraka metodom ionske kromatografije / Grahek, Željko (mentor). | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2005
Mutavdžić, Dragana | Izolacija stroncija iz kompleksnih matrica kromatografskim metodama / Cerjan-Stefanović, Štefica (mentor); Grahek, Željko (neposredni voditelj) . | Zagreb, Fakultet kemijskog inženjerstva i tehnologije, 2000
Vitas, Biljana | Određivanje niske aktivnosti Sr-90 na scintilacijskom spektrometru pomoću Čerenkovljevog brojenja / Vojković, Vlasta (mentor); Grahek, Željko (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 1999
Zečević, Nenad | Odjeljivanje stroncija od alkalijskih i zemnoalkalijskih elemenata primjenom ekstrakcijske kromatografije / Vojković, Vlasta (mentor); Grahek, Željko (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 1999

Membership in professional associations / societies

Member of Croatian Radiation Protection Association

Education
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Publications - book chapters
Publications - journal articles
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Publications - Conference journals
Publications - Graded papers

Search Ruđer Bošković Institute

Dr. Željko Grahek

Education

Publications - editorial books

Zbornik radova s konferencije

Publications - book chapters

Izvorni znanstveni rad

Publications - journal articles

Izvorni znanstveni rad

Stručni rad

Publications - conference proceedings

Izvorni znanstveni rad

Sažetak izlaganja sa skupa

Ostalo

Prošireni sažetak izlaganja sa skupa

Publications - Conference journals

Sažetak izlaganja sa skupa

Publications - Graded papers

Doktorski rad

Diplomski rad (sveučilišni)

Membership in professional associations / societies

Institut Ruđer Bošković

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