Investigation of Impurities of RBMK Graphite by Different Methods

Autor: Zsolt Révay, Andrius Puzas, R. Gvozdaitė, Elena Lagzdina, Jan Kučera, Darius Ancius, Danas Ridikas, Artūras Plukis, Laurynas Juodis, R. Plukienė, Vidmantas Remeikis

Publikováno v: Radiocarbon. 60:1861-1870

Samples of graphite from a RBMK-1500 reactor at the Ignalina Nuclear Power Plant from different construction elements (stack, sleeve, and bushing) were analyzed by the instrumental neutron activation analysis (INAA) method (LVR-15 experimental reacto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19a819b89d34ce6b4b0dd5d5b56ddc0e
https://doi.org/10.1017/rdc.2018.93

Distribution and source of 129 I, 239 ,240 Pu, 137 Cs in the environment of Lithuania

Autor: Š. Buivydas, R. Gvozdaitė, Xiaolin Hou, Žilvinas Ežerinskis, Rūta Druteikienė, A. Gudelis, J. Šapolaitė, Andrius Puzas, Vidmantas Remeikis

Publikováno v: Ezerinskis, Z, Hou, X, Druteikiene, R, Puzas, A, Sapolaite, J, Gvozdaite, R, Gudelis, A, Buivydas, S & Remeikis, V 2016, ' Distribution and source of 129 I, 239,240 Pu, 137 Cs in the environment of Lithuania ', Journal of Environmental Radioactivity, vol. 151, pp. 166-173 . https://doi.org/10.1016/j.jenvrad.2015.09.020

Fifty five soil samples collected in the Lithuania teritory in 2011 and 2012 were analyzed for (129)I, (137)Cs and Pu isotopes in order to investigate the level and distribution of artificial radioactivity in Lithuania. The activity and atomic ratio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::437c5d4a99a73be6c8be94eb9598ef68
https://doi.org/10.1016/j.jenvrad.2015.09.020

On peculiarities of vertical distribution of 239,240Pu, 238Pu and 137Cs activity concentrations and their ratios in lake sediments and soils

Autor: Andrius Puzas, Nikolaj Tarasiuk, Vitold Filistovič, Benedikta Lukšienė, Šarūnas Buivydas, Evaldas Maceika, Eva Koviazina

Publikováno v: Journal of Radioanalytical and Nuclear Chemistry. 300:277-286

Distributions of 239,240Pu, 238Pu and 137Cs activity concentrations in the cores of sediments in the shallow lake, flooded and upland forest soils taken in the vicinity of Vilnius city were analyzed. The radiochemical, α-spectrometric and mass spect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8857f3611c13323d1a0a134e5a8951cd
https://doi.org/10.1007/s10967-014-3026-0

Mass spectrometric determination of impurities in reactor core graphite for radioactive waste composition modelling

Autor: P. Serapinas, Artūras Plukis, Andrius Puzas, Vidmantas Remeikis, Žilvinas Ežerinskis, G. Duškesas

Publikováno v: Lithuanian Journal of Physics. 50:445-449

In this work concentrations of minor graphite impurities in virgin graphite of the Ignalina Nuclear Power Plant (Ignalina NPP) measured by high resolution inductively coupled plasma mass spectrometry (ICP-MS) are presented and applicability of the me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84d7ee316ec5bfcd7c2653b4af549d38
https://doi.org/10.3952/lithjphys.50412

Immobilization of radioactive waste in cement: Iodine binding by cementitious materials under highly alkaline conditions

Autor: Rūta Druteikienė, Andrius Puzas, Evaldas Naujalis, Justina Šapolaitė, Žilvinas Ežerinskis

Publikováno v: Lithuanian Journal of Physics. 55

This work is directed to assess iodine interactions with hardened cement paste (HCP) under highly alkaline conditions (pH > 12) with/without a reductant. For this purpose, a series of Kd (distribution coefficient) experiments using 127I as a tracer w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd924eb95868c833c0397d5d84f6fb73
https://doi.org/10.3952/physics.v55i1.3058