X-ray photoelectron spectroscopy of fast-frozen hematite colloids in aqueous solutions. 2. tracing the relationship between surface charge and electrolyte adsorption

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Fältnamn	Indikatorer	Metadata
000		02170naa a2200397 4500
001		oai:DiVA.org:umu-34317
003		SwePub
008		100525s2010 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-343172 URI
024	7	a https://doi.org/10.1021/jp908197f2 DOI
040		a (SwePub)umu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Boily, Jean-Francoisu Umeå universitet,Kemiska institutionen4 aut0 (Swepub:umu)jebo0010
245	1 0	a X-ray photoelectron spectroscopy of fast-frozen hematite colloids in aqueous solutions. 2. tracing the relationship between surface charge and electrolyte adsorption
264		c 2010-01-27
264	1	b American Chemical Society (ACS),c 2010
338		a print2 rdacarrier
520		a 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.
653		a solution interface
653		a water interface
653		a ion adsorption
653		a crystal faces
653		a xps
653		a goethite
653		a models
653		a coagulation
653		a particles
653		a stability
700	1	a Shchukarev, Andreyu Umeå universitet,Kemiska institutionen4 aut0 (Swepub:umu)ansh0001
710	2	a Umeå universitetb Kemiska institutionen4 org
773	0	t The Journal of Physical Chemistry Cd : American Chemical Society (ACS)g 114:6, s. 2613-2616q 114:6<2613-2616x 1932-7447x 1932-7455
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-34317
856	4 8	u https://doi.org/10.1021/jp908197f

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