Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ezgi Yalçıntaş"'
Autor:
Çevirim-Papaioannou, Neşe, Gaona, Xavier, Böttle, Melanie, Bethune, Ezgi Yalçıntaş, Schild, Dieter, Adam, Christian, Sittel, Thomas, Altmaier, Marcus
Publikováno v:
In Applied Geochemistry June 2020 117
Akademický článek
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Autor:
Ezgi Yalçıntaş, David Fellhauer, Marcus Altmaier, Volker Neck, N. Cevirim-Papaioannou, Xavier Gaona
Publikováno v:
The Journal of Chemical Thermodynamics. 131:375-386
We have developed new chemical, thermodynamic and activity models for the system UO22+–Na+–K+–Mg2+–H+–OH−–Cl−–H2O(l) within the Pitzer approach. The new thermodynamic model is based on previously reported data treated within the SIT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79795ab23fbcd5c0213a56a94b95e8d5
https://doi.org/10.1016/j.jct.2018.10.019
https://doi.org/10.1016/j.jct.2018.10.019
Publikováno v:
Chemosphere. 274
Spectrophotometry was used to study the effect of EDTA on plutonium oxidation state distribution as a function of time, pH, and ligand-to-metal ratio (L/M) under anoxic conditions. Novel Pu(V)-EDTA absorption bands were identified at 571, 993, 1105,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cb134bd323e11e1adfadd60f704a88b
https://pubmed.ncbi.nlm.nih.gov/33545584
https://pubmed.ncbi.nlm.nih.gov/33545584
Autor:
Ezgi Yalçıntaş, Horst Geckeis, T. Prüßmann, Marcus Altmaier, Kathy Dardenne, Xavier Gaona, A. Baumann, Sarah Duckworth, J. Rothe
Publikováno v:
Applied Geochemistry. 98:321-330
The impact of nitrate on the redox behaviour and solubility of 99Tc(IV) was investigated in 0.1–5.0 M NaCl–NaNO3–NaOH solutions with 0.1 M ≤ [NO3−] ≤ 1.0 M and 8.5 ≤ pHm ≤ 14.5 (with pHm = –log [H+]) in the presence or absence of re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad946d4ef3264d4ff606c78f53592f09
https://doi.org/10.1016/j.apgeochem.2018.10.007
https://doi.org/10.1016/j.apgeochem.2018.10.007
Autor:
Horst Geckeis, N. Cevirim-Papaioannou, Ezgi Yalçıntaş, Marcus Altmaier, Xavier Gaona, Kathy Dardenne
Publikováno v:
Applied geochemistry, 98, 286-300
The redox behaviour of uranium was investigated in 0.1 and 5.0 M NaCl solutions at 2 ≤ pHm ≤ 14.5 (pHm = –log [H+]) in the presence of different reducing chemical systems (Sn(II), Na2S2O4, Sn(II) + TiO2, Sn(II) + Fe(0), Sn(II) + Fe3O4). All exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16ddc04addda382283e2207de33335d2
https://doi.org/10.1016/j.apgeochem.2018.07.006
https://doi.org/10.1016/j.apgeochem.2018.07.006
Publikováno v:
Applied Geochemistry. 98:237-246
The solubility of U(VI) is investigated from undersaturation conditions in 0.1, 0.51, 1.03, 3.31 and 4.58 m KCl–KOH solutions at pHm = 7.5–14.6 (with pHm = –log [H+] in molal units). All experiments were performed under Ar atmosphere at T = (22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86ba46fdfec09ea732f04013519fbb66
https://doi.org/10.1016/j.apgeochem.2018.09.017
https://doi.org/10.1016/j.apgeochem.2018.09.017
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
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Autor:
T. Prüßmann, Kathy Dardenne, Horst Geckeis, J. Rothe, Robert Polly, A. Baumann, Ezgi Yalçıntaş, Marcus Altmaier, Xavier Gaona
Publikováno v:
Dalton Transactions. 47:4377-4392
The solubility of 99Tc(IV) was investigated in dilute to concentrated carbonate solutions (0.01 M ≤ Ctot ≤ 1.0 M, with Ctot = [HCO3−] + [CO32−]) under systematic variation of ionic strength (I = 0.3–5.0 M NaHCO3–Na2CO3–NaCl–NaOH) and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9498d7089c0efafabe68c87ec08f461c
https://doi.org/10.1039/c8dt00250a
https://doi.org/10.1039/c8dt00250a
Autor:
Xavier Gaona, Christian Adam, N. Cevirim-Papaioannou, Thomas Sittel, Ezgi Yalçıntaş Bethune, M. Böttle, Marcus Altmaier, Dieter Schild
Publikováno v:
Applied geochemistry, 117, Article: 104601
The solubility of Be(II) is investigated in carbonate-free dilute to concentrated HCl–NaCl–NaOH, KCl–KOH, NaOH and KOH solutions. Undersaturation experiments were performed under Ar atmosphere at T= (22 ± 2) °C. XRD, XPS, SEM and quantitative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70727ae10dacacee4e149c3a578e1abd
