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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Grahek, Željko ; Rožmarić Mačefat, Martina | Determination of radioactive strontium in seawater // Analytica chimica acta, 534 (2005), 2; 271-279-x
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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
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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
