Jon Petter Omtvedt

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Phone +47 22855439
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Visiting address Sem Sælands vei 26 0371 Oslo
Postal address Postboks 1033,Blindern 0315 Oslo

My Latest CV contains most resent publications.

Below is what has been registered on CRISTIN, not always completely up to date..

 

Tags: Nuclear chemistry

Publications

  • Espegren, Fredrik; Kärkelä, Teemu; Pasi, Anna-Elina; Tapper, Unto; Kučera, Jan & Lerum, Hans Vigeland [Show all 8 contributors for this article] (2021). Tellurium transport in the RCS under conditions relevant for severe nuclear accidents. Progress in nuclear energy (New series). ISSN 0149-1970. 139, p. 1–12. doi: 10.1016/j.pnucene.2021.103815.
  • Krupp, Dominik; Düllmann, Christoph E.; Lens, Lotte; Omtvedt, Jon Petter; Yakushev, Alexander & Scherer, Ulrich W. (2021). Speeding up liquid-phase heavy element chemistry: Development of a vacuum to liquid transfer chamber (VLTC). Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 1011. doi: 10.1016/j.nima.2021.165486.
  • Tereshatov, Evgeny E.; Semelova, Miroslava; Čubová, Kateřina; Bartl, Pavel; Nemec, Mojmir & Stursa, Jan [Show all 10 contributors for this article] (2021). Valence states of cyclotron-produced thallium. New Journal of Chemistry. ISSN 1144-0546. 45(7), p. 3377–3381. doi: 10.1039/d0nj05198e.
  • Khuyagbaatar, Jadambaa; Yakushev, Alexander; Düllmann, Ch. E.; Ackermann, Dieter; Andersson, Lise-Lotte & Asai, Masato [Show all 71 contributors for this article] (2020). Search for elements 119 and 120. Physical Review C. ISSN 2469-9985. 102(6). doi: 10.1103/PhysRevC.102.064602. Full text in Research Archive
  • Lerum, Hans Vigeland; Andersen, Niels Højmark; Eriksen, Dag Øistein; Hansen, Eddy Walther & Omtvedt, Jon Petter (2020). NMR study of the influence and interplay of water, HCl and LiCl with the extraction agent Aliquat 336 dissolved in toluene. Journal of Molecular Liquids. ISSN 0167-7322. 317. doi: 10.1016/j.molliq.2020.114160.
  • Haba, H.; Fan, F.; Kaji, D.; Kasamatsu, Y.; Kikunaga, H. & Komori, Yukiko [Show all 31 contributors for this article] (2020). Production of Bh 266 in the Cm 248 (Na 23,5n) Bh 266 reaction and its decay properties. Physical Review C. ISSN 2469-9985. 102(2). doi: 10.1103/PhysRevC.102.024625. Full text in Research Archive
  • Lerum, Hans Vigeland; Sand, Svetlana; Eriksen, Dag Øistein; Wibetoe, Grethe & Omtvedt, Jon Petter (2020). Comparison of single‑phase and two‑phase measurements in extraction, separation and back‑extraction of Cd, Zn and Co from a multi‑element matrix using Aliquat 336. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 324, p. 1203–1214. doi: 10.1007/s10967-020-07168-8.
  • Kucera, Jan; Pasi, Anna-Elina; Espergen, Fredrik; Kärkelä, Teemu; Lerum, Hans Vigeland & Omtvedt, Jon Petter [Show all 7 contributors for this article] (2020). Tellurium determination by three modes of instrumental neutron activation analysis in aerosol filters and trap solutions for the simulation of a severe nuclear accident. Microchemical journal (Print). ISSN 0026-265X. doi: 10.1016/j.microc.2020.105139.
  • Khuyagbaatar, Jadambaa; Yakushev, Alexander; Düllmann, Christoph E.; Ackermann, Dieter; Andersson, Lise-lotte & Asai, Masato [Show all 72 contributors for this article] (2019). Fusion reaction Ca-48+Bk-249 leading to formation of the element Ts (Z=117). Physical Review C. ISSN 2469-9985. doi: 10.1103/PhysRevC.99.054306. Full text in Research Archive
  • Skarnemark, Gunnar; Malmbeck, Rikard; Johansson, Jan Marcus; Omtvedt, Jon Petter; Trautmann, Norbert G. & Ödegaard-Jensen, Arvid [Show all 7 contributors for this article] (2019). SIMSISAK - a Method to Model Nuclide Transport in the SISAK System. Solvent extraction and ion exchange. ISSN 0736-6299. 37(3-4), p. 232–244. doi: 10.1080/07366299.2019.1639358. Full text in Research Archive
  • Såmark-Roth, Anton; Sarmiento, Luis G.; Rudolph, Dirk; Ljungberg, Jimmy; Carlsson, B. Gillis & Fahlander, Claes [Show all 48 contributors for this article] (2018). Low-lying states in 219Ra and 215Rn: Sampling microsecond α -decaying nuclei. Physical Review C. ISSN 2469-9985. 98:044307(4), p. 1–11. doi: 10.1103/PhysRevC.98.044307.
  • Lerum, Hans Vigeland; Andersen, Niels Højmark; Eriksen, Dag Øistein; Hansen, Eddy Walther; Petersen, Dirk & Wibetoe, Grethe [Show all 7 contributors for this article] (2018). Study of Cadmium Extraction with Aliquat 336 from Highly Saline Solutions. Journal of Solution Chemistry. ISSN 0095-9782. 47(8), p. 1395–1417. doi: 10.1007/s10953-018-0795-z.
  • Cubova, Katerina; Semelova, Miroslava; Nemec, Mojmir; John, Jan; Milacic, Juraj & Omtvedt, Jon Petter [Show all 7 contributors for this article] (2018). Extraction of thallium and indium isotopes as the homologues of nihonium into the ionic liquids. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. doi: 10.1007/s10967-018-6270-x.
  • Lens, Lotte; Yakushev, Alexander; Düllmann, Christoph E.; Asai, Masato; Ballof, Jochen & Block, Michael [Show all 53 contributors for this article] (2018). Online chemical adsorption studies of Hg, Tl, and Pb on SiO2 and Au surfaces in preparation for chemical investigations on Cn, Nh, and Fl at TASCA. Radiochimica Acta. ISSN 0033-8230. 106(12), p. 949–962. doi: 10.1515/ract-2017-2914.
  • Di Nitto, Antonio; Khuyagbaatar, Jadambaa; Ackermann, Dieter; Andersson, Lise-Lotte; Badura, Eugen & Block, Michael [Show all 64 contributors for this article] (2018). Study of non-fusion products in the 50Ti+249Cf reaction. Physics Letters B. ISSN 0370-2693. 784, p. 199–205. doi: 10.1016/j.physletb.2018.07.058. Full text in Research Archive
  • Forsberg, Ulrika; Rudolph, D; Andersson, LL; Di Nitto, A; Dullmann, Ch E & Fahlander, C [Show all 54 contributors for this article] (2016). Recoil-α-fission and recoil-α-α-fission events observed in the reaction 48Ca + 243Am. Nuclear Physics A. ISSN 0375-9474. 953, p. 117–138. doi: 10.1016/j.nuclphysa.2016.04.025.
  • Langrock, Gert; Wiehl, Norbert; Kling, Hans-Otto; Mendel, Matthias; Nähler, Andrea & Tharun, Udo [Show all 11 contributors for this article] (2015). Digital liquid-scintillation counting and effective pulse-shape discrimination with artificial neural networks. Radiochimica Acta. ISSN 0033-8230. 103(1), p. 15–25. doi: 10.1515/ract-2014-2281.
  • Rudolph, Dirk; Forsberg, Ulrika; Golubev, Pavel; Sarmiento, Luis G.; Yakushev, Alexander & Andersson, Lise-Lotte [Show all 51 contributors for this article] (2015). Selected spectroscopic results on element 115 decay chains. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 303(2), p. 1185–1190. doi: 10.1007/s10967-014-3445-y.
  • Ooe, Kazuhiro; Abdo, Mohamed Fathy Attallah; Asai, M; Goto, N; Sen Gupta, Nalinava & Haba, H. [Show all 33 contributors for this article] (2015). Development of a new continuous dissolution apparatus with a hydrophobic membrane for superheavy element chemistry. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 303(2), p. 1317–1320. doi: 10.1007/s10967-014-3469-3.
  • Toyoshima, A.; Ooe, K.; Miyashita, S.; Asai, M; Abdo, Mohamed Fathy Attallah & Goto, N [Show all 33 contributors for this article] (2015). Chemical studies of Mo and W in preparation of a seaborgium (Sg) reduction experiment using MDG, FEC, and SISAK. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 303(2), p. 1169–1172. doi: 10.1007/s10967-014-3438-x.
  • John, Jan; Lehto, Jukka; Koivula, Teija & Omtvedt, Jon Petter (2015). Cooperation in education and training in nuclear- and radiochemistry in Europe. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 304(1), p. 459–466. doi: 10.1007/s10967-014-3624-x.
  • Yakushev, Alexander; Gates, Jacklyn M.; Türler, Andreas; Schädel, Matthias; Düllmann, Christoph Emanuel & Ackermann, Dieter [Show all 44 contributors for this article] (2014). Superheavy element flerovium (Element 114) is a volatile metal. Inorganic Chemistry. ISSN 0020-1669. 53(3), p. 1624–1629. doi: 10.1021/ic4026766.
  • Khuyagbaatar, Jadambaa; Yakushev, A; Dullmann, CE; Ackermann, D; Andersson, LL & Asai, M [Show all 72 contributors for this article] (2014). Ca 48 + Bk 249 fusion reaction leading to element Z=117: Long-lived α -decaying Db 270 and discovery of Lr 266. Physical Review Letters. ISSN 0031-9007. 112:172501(17). doi: 10.1103/PhysRevLett.112.172501.
  • Rudolph, D; Forsberg, U; Golubev, P; Sarmiento, LG; Yakushev, A & Andersson, L [Show all 51 contributors for this article] (2014). Alpha-photon coincidence spectroscopy along element 115 decay chains. Acta Physica Polonica B. ISSN 0587-4254. 45(2), p. 263–272. doi: 10.5506/APhysPolB.45.263.
  • Rudolph, Dirk; Forsberg, U; Golubev, P; Sarmiento, LG; Yakushev, A & Andersson, LL [Show all 51 contributors for this article] (2013). Spectroscopy of Element 115 Decay Chains. Physical Review Letters. ISSN 0031-9007. 111(11:112502). doi: 10.1103/PhysRevLett.111.112502.
  • Usoltsev, I; Eichler, R; Dressler, R; Piguet, D; Wittwer, D & Türler, Andreas [Show all 10 contributors for this article] (2012). Preparation of Pd-based intermetallic targets for high intensity irradiations. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 691, p. 5–9. doi: 10.1016/j.nima.2012.06.060.
  • Forsberg, U; Golubev, P.; Sarmiento, L.G.; Jeppsson, J.; Rudolph, D. & Andersson, L.-L. [Show all 33 contributors for this article] (2012). FIRST EXPERIMENT AT TASCA TOWARDS X-RAY FINGERPRINTING OF ELEMENT 115 DECAY CHAINS. Acta Physica Polonica B. ISSN 0587-4254. 43(2), p. 305–311. doi: 10.5506/APhysPolB.43.305.
  • Sen Gupta, Nalinava; Wragg, David; Tilset, Mats & Omtvedt, Jon Petter (2011). 4,7,13,18-Tetraoxa-1,10-diazoniabicyclo[8.5.5]icosane hexafluoridosilicate. Acta Crystallographica Section E: Structure Reports Online. ISSN 1600-5368. 67. doi: 10.1107/S1600536811026006.
  • Sen Gupta, Nalinava; Wragg, David; Tilset, Mats & Omtvedt, Jon Petter (2011). 4,7,13,18-Tetraoxa-1,10-diazoniabicyclo[ 8.5.5]icosane bis(hexafluoridophosphate). Acta Crystallographica Section E: Structure Reports Online. ISSN 1600-5368. 67. doi: 10.1107/S1600536811025992.
  • Gates, Jacklyn; Düllmann, Christoph E.; Omtvedt, Jon Petter; Yakushev, A; Turler, A & Eberhardt, K [Show all 48 contributors for this article] (2011). First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the Pu-244(Ca-48,3-4n) reaction. Physical Review C. Nuclear Physics. ISSN 0556-2813. 83(5). doi: 10.1103/PhysRevC.83.054618.
  • Even, Julia; Ballof, J; Brüchle, Willy; Buda, R. A.; Düllmann, Christoph E. & Eberhardt, Klaus [Show all 34 contributors for this article] (2011). The recoil transfer chamber — An interface to connect the physical preseparator TASCA with chemistry and counting setups. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 638(1), p. 157–164. doi: 10.1016/j.nima.2011.02.053.
  • Samadani, Fereshteh; Alstad, Jorolf; Bjørnstad, Tor; Stavsetra, Liv & Omtvedt, Jon Petter (2010). Development of a SISAK extraction system for chemical studies of element 108, hassium. Radiochimica Acta. ISSN 0033-8230. 98(12), p. 757–764. doi: 10.1524/ract.2010.1787.
  • Düllmann, Christoph E.; Schädel, Matthias; Yakushev, Alexander; Türler, Andreas; Eberhardt, Klaus & Kratz, Jens v. [Show all 45 contributors for this article] (2010). Production and Decay of Element 114: High Cross Sections and the New Nucleus (277)Hs. Physical Review Letters. ISSN 0031-9007. 104(25). doi: 10.1103/PhysRevLett.104.252701.
  • Graeger, Reimar; Ackermann, Dieter; Chelnokov, M; Chepigin, V; Düllmann, Christoph E. & Dvorak, Jan [Show all 30 contributors for this article] (2010). Experimental study of the U-238(S-36,3-5n)(269-271)Hs reaction leading to the observation of (270)Hs. Physical Review C. Nuclear Physics. ISSN 0556-2813. 81(6). doi: 10.1103/PhysRevC.81.061601.
  • Omtvedt, Jon Petter (2009). Laboratorieøvelser som fjernundervisning - Erfaringer fra utvikling av det fjernstyrte laboratoriumet RoboLab. In Koch, Susanne Anette Kjekshus (Eds.), Ringer i vann. Lenge leve fleksibel læring ved Universitetet i Oslo. Fleksibel læring, UiO. ISSN 978-82-997407-3-9. p. 49–58.
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2008). Extraction of Nb and Ta, homolgues of Db, from sulphuric acid solutions with TOA in toluene using SISAK. Radiochimica Acta. ISSN 0033-8230. 96. doi: 10.1524/ract.2008.1463.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Düllmann, Christoph E.; Gregorich, Kenneth E. & Hoffman, Darleane C. [Show all 15 contributors for this article] (2007). Chemical properties of the transactinide elements studied in liquid phase with SISAK. European Physical Journal D : Atomic, Molecular and Optical Physics. ISSN 1434-6060. 45(1), p. 91–97. doi: 10.1140/epjd/e2007-00214-6.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Düllmann, Christoph E.; Folden, C. M. & Gregorich, Kenneth E. [Show all 14 contributors for this article] (2006). SISAK Liquid-Liquid Extraction Studies of Rutherfordium and Future Plans to Study Heavier Transactinides. In May, I.; Alvares, R. & Bryan, N. (Ed.), Recent Advances in Actinide Science. Royal Society of Chemistry (RSC) Publishing. ISSN 0-85404-678-X. p. 278–280.
  • Polakova, Darina; Alstad, Jorolf; Bjørnstad, Tor; Skarnemark, Gunnar; Stavsetra, Liv & Sudowe, Ralf [Show all 10 contributors for this article] (2006). Development of a System for Chemical Studies of Rutherfordium by Liquid-Liquid Extraction From Sulphuric Acid Solutions with SISAK. In May, I.; Alvares, R. & Bryan, N. (Ed.), Recent Advances in Actinide Science. Royal Society of Chemistry (RSC) Publishing. ISSN 0-85404-678-X. p. 281–283.
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2006). Influence of KCl on the Extraction of Rutherfordium Homologues Hafnium and Zirconium From Sulphuric Acid with Tri-Octylamine in Toluene. In May, I.; Alvares, R. & Bryan, N. (Ed.), Recent Advances in Actinide Science. Royal Society of Chemistry (RSC) Publishing. ISSN 0-85404-678-X. p. 284–286.
  • Pershina, V; Polakova, Darina & Omtvedt, Jon Petter (2006). Theoretical predictions of complex formation of group-4 elements Zr, Hf, and Rf in H2SO4 solutions. Radiochimica Acta. ISSN 0033-8230. 94, p. 407–414.
  • Stavsetra, Liv; Gregorich, KE; Alstad, Jorolf; Breivik, H; Eberhardt, K & Folden, CM [Show all 20 contributors for this article] (2005). Liquid-scintillation detection of preseparated (257)Rf with the SISAK-system. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 543, p. 509–516.
  • Gregorich, Kenneth E.; Loveland, Walter; Peterson, D; Zielinski, P. M.; Nelson, SL & Chung, YH [Show all 19 contributors for this article] (2005). Attempt to confirm superheavy element production in the Ca-48+U-238 reaction. Physical Review C. Nuclear Physics. ISSN 0556-2813. 72.
  • Stavsetra, Liv; Hult, Elin A. & Omtvedt, Jon Petter (2005). Real-Time Gain Shift Correction for On-Line Alpha-Liquid Scintillation Spectroscopy. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 551, p. 137–143.
  • Gausemel, Håvar; Fogelberg, Birger; Engeland, Torgeir; Hjorth-Jensen, Morten; Hoff, Per & Mach, Hendryk [Show all 8 contributors for this article] (2004). Decay of In-127 and In-129. Physical Review C. Nuclear Physics. ISSN 0556-2813. 69, p. art. no.–054307.

View all works in Cristin

  • Lehrum, Hans Vigeland; Andersen, Niels Højmark; Eriksen, Dag Øistein; Hansen, Eddy Walther & Omtvedt, Jon Petter (2020). NMR Studies of Aliquat 336 in toluene after contact with saline solutions - Determination of ionic content.
  • Lerum, Hans V.; Sand, Svetlana; Eriksen, Dag Øistein; Hansen, Eddy Walther; Wibetoe, Grethe & Omtvedt, Jon Petter (2018). Determination of Distribution Ratios in Liquid-liquid Extraction of Hydrometallurgical Process Solutions using ICP-MS and Radiotracer Techniques.
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Omtvedt, Jon Petter & Skipperud, Lindis (2016). CINCH–II Project – A Milestone in the Coordination of Education and Training in Nuclear- and Radiochemistry in Europe.
  • Lerum, Hans Vigeland; Bouzga, Aud Mjærum; Jørgensen, Sissel; Petersen, Dirk; Eriksen, Dag Øistein & Hansen, Eddy Walther [Show all 8 contributors for this article] (2016). Study of cadmium extraction from aqueous solutions with high chloride concentration using radiotracer and NMR .
  • Lerum, Hans Vigeland; Bouzga, Aud Mjærum; Jørgensen, Sissel; Petersen, Dirk; Eriksen, Dag Øistein & Hansen, Eddy Walther [Show all 8 contributors for this article] (2016). LIQUID-LIQUID EXTRACTION OF CADMIUM CHLORIDE COMPLEXES STUDIED BY NMR.
  • Retegan, Teodora; Ekeberg, Christian; John, Jan; Cuba, Vaclav; Nemec, Mojmir & Lehto, Jukka [Show all 14 contributors for this article] (2015). Cooperation in Education and Training in Nuclear and Radiochemistry in Europe – A Continuous Process.
  • John, Jan; Cuba, Vaclav; Nemec, Mojmir; Retegan, Teodora; Ekeberg, Christian & Lehto, Jukka [Show all 16 contributors for this article] (2014). Cooperation in Education and Training in Nuclear- and Radiochemistry in Europe.
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Omtvedt, Jon Petter & Skipperud, Lindis (2013). CINCH-II: Next step in the coordination of education in nuclear and radiochemistry in Europe.
  • John, Jan; Vaclav, Cuba; Nemec, Mojmir; Retegan, Teodora; Ekeberg, Christian & Lehto, Jukka [Show all 14 contributors for this article] (2013). Coordination of Education in Nuclear And Radiochemistry In Europe.
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Koivula, Teija; Scully, Paul J. & Walther, Clemens [Show all 13 contributors for this article] (2013). Next step in the coordination of education in nuclear and radiochemistry in Europe.
  • Bjørnstad, Tor; Eriksen, Dag Øystein & Omtvedt, Jon Petter (2013). Radiochemistry and hydrometallurgy - two synergetic fields.
  • Wærsted, Frøydis Meen; Omtvedt, Jon Petter; Wibetoe, Grethe & Vogt, Rolf David (2013). The role of particles and phosphorus bound to particles in eutrophication.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Dullmann, C.E.; Gregorich, K.E. & Gupta, N.S. [Show all 11 contributors for this article] (2010). Superheavy Element Chemistry with SISAK.
  • Omtvedt, Jon Petter (2008). Hvordan får vi energi fra thorium? Naturfag. ISSN 1504-4564. 1, p. 28–32.
  • Stølen, Svein; Gorbitz, Carl Henrik; Omtvedt, Jon Petter & Ødegaard, Knut Jørgen Røed (2008). Verdt å vite spesial: Grunnstoffene og periodesystemet. [Radio]. NRK P2.
  • Omtvedt, Jon Petter & Helgesen, Ole K. (2008). Spenning om thorium. [Newspaper]. Teknisk ukeblad.
  • Omtvedt, Jon Petter & Sæther, Jens Marius Sæther (2008). Klart for atomkamp på tinget. [Newspaper]. Dagsavisen.
  • Omtvedt, Jon Petter & Strande, Mona (2008). Norge må forske på kjernekraft. [Newspaper]. Teknisk ukeblad.
  • Jemterud, Torkild; Rose, Sunniva & Omtvedt, Jon Petter (2008). Verdt å vite 2008-12-19. [Radio]. NRK P2.
  • Omtvedt, Jon Petter (2008). Recent developments in automated liquid-liquid extraction studies of transactinide elements.
  • Omtvedt, Jon Petter (2008). Kjernekraft fra thorium.
  • Samadani, Fereshteh & Omtvedt, Jon Petter (2007). Developing a SISAK extraction system for chemical study of element 108, hassium.
  • Omtvedt, Jon Petter (2007). Fast and continuous liquid-liquid extraction with the computer controlled SISAK system.
  • Opel, Karsten; Akermann, Dieter; Brüchle, Willy; Dressler, R; Düllmann, Christoph E. & Dvpral, K [Show all 21 contributors for this article] (2007). Recoil Transfer Chamber Design at TASCA.
  • Opel, Karsten & Omtvedt, Jon Petter (2007). New Control System for SISAK.
  • Omtvedt, Jon Petter & Hammerfjeld, Jon R. (2006). Lagde verdens tyngste grunnstoff. [Newspaper]. Dagbladet.no.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Dullmann, C.E.; Folden III, C.M. & Gregorich, K.E. [Show all 15 contributors for this article] (2006). “Chemical Properties of the Transactinide Elements Studied in Liquid Phase with SISAK”,
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2006). ”Influence of KCl on the extraction of rutherfordium homologues hafnium and zirconium from sulphuric acid with tri-octylamine in toluene”,
  • Vogt, Rolf David; Solomonova, Polina; Gjessing, Egil & Omtvedt, Jon Petter (2006). Preparative gel fractionation of NOM for ecological studies - The fate of mercury in aquatic ecosystems.
  • Omtvedt, Jon Petter (2005). OCL@SAFE: Transactinide homologues available at the Oslo Cyclotron Laboratory for model studies.
  • Samadani, Fereshteh & Omtvedt, Jon Petter (2005). Plans for Liquid-Liquid Extraction Studies of Hassium.
  • Zheng, Li & Omtvedt, Jon Petter (2005). Plans for Liquid-Liquid Extraction Studies of Dubnium.
  • Polakova, Darina & Omtvedt, Jon Petter (2005). Liquid-Liquid Extraction of Rf from H2SO4 with TOA.
  • Omtvedt, Jon Petter (2005). SISAK beyound Rf - Plans for Studies of Heavier Transactinides.
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2005). Influence of KCl on the Extraction of Rutherfordium Homologues Hafnium and Zirconium from Sulphuric Acid with Tri‐Octylamine in Toluene.
  • Omtvedt, Jon Petter (2005). SISAK Liquid‐Liquid Extraction Studies of Rutherfordium and Future Plans to Study Heavier Transactinides.
  • Polakova, Darina; Alstad, Jorolf; Bjørnstad, Tor; Skarnemark, Gunnar; Stavsetra, Liv & Sudowe, Ralf [Show all 10 contributors for this article] (2005). Development of a System for Chemical Studies of Rutherfordium by Liquid‐Liquid Extraction from Sulphuric Acid Solutions with SISAK.
  • Raskovic-Lovre, Zeljka; Omtvedt, Jon Petter & Eriksen, Dag Øistein (2019). Extraction of zinc from highly saline and acidic solutions. Universitetet i Oslo.
  • Rafique, Waqas; Riss, Patrick & Omtvedt, Jon Petter (2018). Synthesis of Fluorine-18 Labelled Radiotraces and Their Pre-Clinical and Clinical Characterization. Kjemisk institutt, Universitetet i Oslo. ISSN 1501-7710. 2018(2013).
  • Ræstad, Svein Harald; Omtvedt, Jon Petter; Wibetoe, Grethe & Eriksen, Dag Øystein (2017). Investigation of Leaching of Rare Earth Elements from Phosphate Rock with Nitric Acid using Neutron Activation. Universitetet i Oslo.
  • Kristiansen, Håvard; Omtvedt, Jon Petter & Eriksen, Dag Øistein (2015). Radiochemical analysis of cadmium in nitric and phosphoric acid. Universitetet i Oslo.
  • Lehto, Jukka; Omtvedt, Jon Petter; Popic, Jelena Mrdakovic; Nemec, Mojmir & Koivula, Teija (2015). Workshop on Nuclear Chemistry Education and Training in Europe, CINCH-II Deliverable D4.5. NMBU/CERAD.
  • Lerum, Hans Vigeland & Omtvedt, Jon Petter (2014). Preparations for a Reduction and Liquid-Liquid Separation Experiment for Element 106, Seaborgium. Kjemisk Institutt, Universitetet i Oslo.
  • Wærsted, Frøydis Meen; Vogt, Rolf David; Wibetoe, Grethe & Omtvedt, Jon Petter (2014). The role of particles and phosphorus bound to particles in eutrophication. University of Oslo.
  • Samadani, Fereshteh; Alstad, Jorolf; Schulz, Frøydis; Nilssen, Johannes; Omtvedt, Jon Petter & Ottesen, Heidi B. [Show all 23 contributors for this article] (2010). Pilot-Test Experiment with Os of a SISAK Setup for Hs-Chemistry Studies. GSI Helmholtzzentrum für Schwerionenforschung.
  • Samadani, Fereshteh; Omtvedt, Jon Petter & Bjørnstad, Tor (2010). Liquid Chemistry of Hassium Tetroxide using Osmium in Model Experiments with SISAK. Universitetet i Oslo.
  • Yakushev, Alexander; Dvorak, Jan; andrey, semchenkov; Türler, Andreas; ackermann, dieter & brüchle, willie [Show all 17 contributors for this article] (2007). Window Design for the TASCA Recoil Transfer Chamber (RTC). Jahresbericht 2006 Univ. Mainz, Institut für Kernchemie.
  • Düllmann, Christoph E.; ackermann, dieter; brüchle, willie; Hessberger, F. P.; Jäger, Egon & Khuyagbaatar, J [Show all 26 contributors for this article] (2007). TASCA Recoil Transfer Chamber Commissioning. 1. Small Image Mode. Univ. Mainz Jahresbericht 2006, Institut für Kernchemie.
  • Semchenkov, Andrey; ackermann, dieter; Brüchle, W.; Düllmann, Christoph E.; Jäger, Egon & Schimpf, E [Show all 15 contributors for this article] (2007). First TASCA Commissioning Experiments in the Small Image Size Mode. Gesellschaft f¨ur Schwerionenforschung mbH (GSI). ISSN 0174-0814. 2007(1).
  • pershina, valeria; Polakova, Darina & Omtvedt, Jon Petter (2007). Theoretical Predictions of Complex Formation of Group-4 Elements Zr, Hf, and Rf in H2SO4 Solutions - GSI report. Gesellschaft für Schwerionenforschung mbH (GSI). ISSN 0174-0814. 2006(1).
  • Zheng, Li; Omtvedt, Jon Petter; Alstad, Jorolf & Bjørnstad, Tor (2007). Preparation for Liquid-Liquid Extraction Studies of Dubnium Using Homologue Models with the SISAK System. Kjemisk institutt, UiO.
  • Samadani, Fereshteh; Omtvedt, Jon Petter & Bjørnstad, Tor (2006). Developing a SISAK extraction system for studies of element 108, hassium. Kjemisk institutt, UiO.
  • Stavsetra, Liv & Omtvedt, Jon Petter (2005). Achievements using the continuous SISAK alpha-liquid scintillation technique, and its application in detection of 257Rf atoms. Faculty of Mathematics and Natural Sciences.

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Published Oct. 13, 2016 4:16 PM - Last modified July 11, 2018 11:27 AM