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X-ray photoelectron...
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Boily, Jean-FrancoisUmeå universitet,Kemiska institutionen
(författare)
X-ray photoelectron spectroscopy of fast-frozen hematite colloids in aqueous solutions. 2. tracing the relationship between surface charge and electrolyte adsorption
- Artikel/kapitelEngelska2010
Förlag, utgivningsår, omfång ...
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2010-01-27
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American Chemical Society (ACS),2010
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:umu-34317
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-34317URI
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https://doi.org/10.1021/jp908197fDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Colloidal-sized hematite spheroids exposed to aqueous NaCl solutions were investigated by X-ray photoelectron spectroscopy using the fast-frozen technique. The O 1s region provided evidence for (de)protonation reactions of surface (hydr)oxo groups of OH-enriched/O-depleted hematite Surfaces. These results were also correlated to changes in sodium (Na 1s) and chloride (Cl 2p) contents with pH. Electrolyte ion surface loadings were successfully predicted using a classic thermodynamic adsorption model normalized for surface site density. These efforts pointed to ion-specific inner-Helmholtz plane capacitances.
Ämnesord och genrebeteckningar
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solution interface
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water interface
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ion adsorption
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crystal faces
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xps
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goethite
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models
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coagulation
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particles
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stability
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Shchukarev, AndreyUmeå universitet,Kemiska institutionen(Swepub:umu)ansh0001
(författare)
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Umeå universitetKemiska institutionen
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:The Journal of Physical Chemistry C: American Chemical Society (ACS)114:6, s. 2613-26161932-74471932-7455
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