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Modification of the Cement Matrix with Organic Additives for Stabilizing Pertechnetate Ions

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dc.contributor.authorKamorny, D. A.
dc.contributor.authorSafonov, A. V.
dc.contributor.authorBoldyrev, K. A.
dc.contributor.authorAbramova, E. S.
dc.contributor.authorTyupina, E. A.
dc.contributor.authorТюпина, Екатерина Александровна
dc.date.accessioned2024-11-29T20:33:34Z
dc.date.available2024-11-29T20:33:34Z
dc.date.issued2021
dc.description.abstract© 2021Stabilizing properties of polyhexamethyleneguanidine hydrochloride, tetraphelylphosphonium chloride, polyethyleneimine, and thiocarbamide were evaluated in order to determine their influence on the long-term stabilization of Tc in a Portland cement compound. The modifying agents’ effect on the mechanical strength under air-wet conditions was investigated. Possible impact of modifiers on the intensification of bacterial processes was taken into account during the investigation. A 2-5-fold reduction in pertechnetate leaching was observed when the investigated additives were applied. Addition of polyhexamethyleneguanidine hydrochloride was deemed preferable as it simultaneously ensured stabilization of Tc properties, provided the mechanical strength required, and protected the cement matrix from the biological degradation.
dc.identifier.citationModification of the Cement Matrix with Organic Additives for Stabilizing Pertechnetate Ions / Kamorny, D.A. [et al.] // Journal of Nuclear Materials. - 2021. - 557. - 10.1016/j.jnucmat.2021.153295
dc.identifier.doi10.1016/j.jnucmat.2021.153295
dc.identifier.urihttps://www.doi.org/10.1016/j.jnucmat.2021.153295
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85115007010&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000702916900015
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/24708
dc.relation.ispartofJournal of Nuclear Materials
dc.titleModification of the Cement Matrix with Organic Additives for Stabilizing Pertechnetate Ions
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume557
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