Thallium contamination of soils/vegetation as affected by sphalerite weathering: A model rhizospheric experiment
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F15%3A10288407" target="_blank" >RIV/00216208:11310/15:10288407 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/60460709:41210/15:64631 RIV/60460709:41330/15:64631
Výsledek na webu
<a href="http://dx.doi.org/10.1016/j.jhazmat.2014.09.018" target="_blank" >http://dx.doi.org/10.1016/j.jhazmat.2014.09.018</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jhazmat.2014.09.018" target="_blank" >10.1016/j.jhazmat.2014.09.018</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Thallium contamination of soils/vegetation as affected by sphalerite weathering: A model rhizospheric experiment
Popis výsledku v původním jazyce
The environmental stability of Tl-rich sphalerite in two contrasting soils was studied. Rhizospheric conditions were simulated to assess the risk associated with sulfide microparticles entering agricultural (top)soils. The data presented here clearly demonstrate a significant effect of 500 mu M citric acid, a model rhizospheric solution, on ZnS alteration followed by enhanced Tl and Zn release. The relative ZnS mass loss after 28 days of citrate incubation reached 0.05 and 0.03 wt.% in Cambisol and Leptosol samples respectively, and was up to 4 times higher, compared to H2O treatments. Incongruent (i.e., substantially increased) mobilization of Tl from ZnS was observed during the incubation time. Generally higher (longterm) stability of ZnS with lowerTl release is predicted for soils enriched in carbonates. Furthermore, the important role of silicates (mainly illite) in the stabilization of mobilized Tl, linked with structural (inter)layer Tl K exchange, is suggested. Thallium was hig
Název v anglickém jazyce
Thallium contamination of soils/vegetation as affected by sphalerite weathering: A model rhizospheric experiment
Popis výsledku anglicky
The environmental stability of Tl-rich sphalerite in two contrasting soils was studied. Rhizospheric conditions were simulated to assess the risk associated with sulfide microparticles entering agricultural (top)soils. The data presented here clearly demonstrate a significant effect of 500 mu M citric acid, a model rhizospheric solution, on ZnS alteration followed by enhanced Tl and Zn release. The relative ZnS mass loss after 28 days of citrate incubation reached 0.05 and 0.03 wt.% in Cambisol and Leptosol samples respectively, and was up to 4 times higher, compared to H2O treatments. Incongruent (i.e., substantially increased) mobilization of Tl from ZnS was observed during the incubation time. Generally higher (longterm) stability of ZnS with lowerTl release is predicted for soils enriched in carbonates. Furthermore, the important role of silicates (mainly illite) in the stabilization of mobilized Tl, linked with structural (inter)layer Tl K exchange, is suggested. Thallium was hig
Klasifikace
Druh
J<sub>x</sub> - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
CEP obor
DD - Geochemie
OECD FORD obor
—
Návaznosti výsledku
Projekt
<a href="/cs/project/GA14-01866S" target="_blank" >GA14-01866S: Systematika izotopů thalia v antropogenně ovlivněných geosystémech – biogeochemický přístup</a><br>
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2015
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Journal of Hazardous Materials
ISSN
0304-3894
e-ISSN
—
Svazek periodika
283
Číslo periodika v rámci svazku
FEBRUARY
Stát vydavatele periodika
NL - Nizozemsko
Počet stran výsledku
9
Strana od-do
148-156
Kód UT WoS článku
000347494200018
EID výsledku v databázi Scopus
2-s2.0-84907646889