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Tree Physiological Variables as a Proxy of Heavy Metal and Platinum Group Elements Pollution in Urban Areas [PDF]

open access: yesBiology, 2023
Physiological variables (the content of chlorophyll, flavonoids and nitrogen, together with Fv/Fm) and the content of ten heavy metals (As, Cd, Cu, Hg, Mn, Ni, Pb, Sb, V and Zn) and two platinum group elements (PGEs: Pd and Rh) were measured in the ...
Zulema Varela   +5 more
doaj   +2 more sources

Fine-grained interplanetary dust input during the Turonian (Late Cretaceous): evidence from osmium isotope and platinum group elements [PDF]

open access: yesScientific Reports, 2023
The Turonian age (~ 90–94 Ma) was the hottest geological interval in the Cretaceous and also marked by the K3 event, a pronounced enrichment of 3He in pelagic sediments (i.e., massive input of extraterrestrial materials).
Hironao Matsumoto   +4 more
doaj   +2 more sources

High‐Entropy Alloys and Their Affinity with Hydrogen: From Cantor to Platinum Group Elements Alloys [PDF]

open access: yesAdvanced Science
Properties of high‐entropy alloys are currently in the spotlight due to their promising applications. One of the least investigated aspects is the affinity of these alloys to hydrogen, its diffusion, and reactions. In this study, high pressure is applied
Konstantin Glazyrin   +9 more
doaj   +2 more sources

Chromite and platinum group elements mineralization in the Santa Elena Ultramafic Nappe (Costa Rica): geodynamic implications [PDF]

open access: yesGeologica Acta, 2011
Chromitites associated with strongly altered peridotite from six distinct localities in the Santa Elena ultramafic nappe (Costa Rica) have been investigated for the first time.
F. ZACCARINI   +6 more
doaj   +5 more sources

Microbial biomining from asteroidal material onboard the international space station [PDF]

open access: yesnpj Microgravity
Expanding human space exploration necessitates technologies for sustainable local resource acquisition, to overcome unviable resupply missions. Asteroids, some of which rich in metals like platinum group elements, are promising targets.
Rosa Santomartino   +16 more
doaj   +2 more sources

Urban mining: Phytoextraction of noble and rare earth elements from urban soils [PDF]

open access: yesArchives of Environmental Protection, 2022
The increasing demand for noble metals boosts their price. In order to meet the increasing demand for elements, a number of technologies are being developed to recover elements already present in the environment.Traffic-related metal pollution is a ...
Stanisław Gawroński   +3 more
doaj   +1 more source

Behavior of Platinum-Group Elements during Hydrous Metamorphism: Constraints from Awaruite (Ni3Fe) Mineralization [PDF]

open access: yesLithosphere, 2023
Natural Fe-Ni alloys are common in meteorites and, presumably, the Earth’s core, where they host significant platinum-group elements (PGE). However, little is known on PGE concentrations in hydrothermal or metamorphic Fe-Ni alloys (i.e., awaruite Ni3Fe ...
Anton Kutyrev   +7 more
doaj   +1 more source

Post-magmatic processes recorded in bimodal chromitites of the East Chalkidiki meta-ultramafic bodies, Gomati and Nea Roda, Northern Greece

open access: yesFrontiers in Earth Science, 2022
The meta-ultramafic bodies of Gomati and Nea Roda are situated in the Serbomacedonian Massif. They demonstrate bimodal character in terms of chromitite chemistry with both Cr- and Al-rich chromitites outcropping in proximity, with no obvious tectonic ...
Alkiviadis Sideridis   +7 more
doaj   +1 more source

Platinum-group elements (PGE) in the New Afton alkalic Cu-Au porphyry deposit, Canadian Cordillera, II: PGE distribution and models for the hydrothermal coprecipitation of Co-Ni-Pd-Pt in pyrite

open access: yesFrontiers in Earth Science, 2023
The first part of this article can be found here: 10.3389/feart.2023.819129 (DOI). Occurrences of significant concentrations of platinum-group elements (PGE) in porphyry deposits have seen limited attention and the geochemical controls on their ...
Samuel J. Robb   +3 more
doaj   +1 more source

Comparative analysis of high temperature strength of platinum and its binary alloys with low content of alloying element [PDF]

open access: yesHemijska Industrija, 2012
The comparative analysis of platinum and its binary alloys (containing alloying elements up to 10 mass%) mechanical properties at high temperatures has been carried out.
Stanković Draško S.   +4 more
doaj   +1 more source

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