About: A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration

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About: A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The Raman spectrum of bukovskyite [Fe2(3+)(OH)(SO4)(AsO4) . 7H2O] has been studied and compared with that of an amorphous gel containing specifically Fe, As and S, which is understood to be an intermediate product in the formation of bukovskyite. The observed bands are assigned to the stretching and bending vibrations of (SO4)2- and (AsO4)3- units, stretching and bending vibrations and vibrational modes of hydrogen-bonded water molecules, stretching and bending vibrations of hydrogen-bonded (OH)- ions and Fe3+ -(O,OH) units. The approximate range of O-H ... O hydrogen bond lengths was inferred from the Raman spectra. Raman spectra of crystalline bukovskyite and of the amorphous gel differ in that the bukovskyite spectrum is more complex, the observed bands are sharp and the degenerate bands of (SO4)2- and (AsO4)3- are split and more intense. Lower wavenumbers of delta H2O bending vibrations in the spectrum of the amorphous gel may indicate the presence of weaker hydrogen bonds compared to those in bukovskyite. The Raman spectrum of bukovskyite [Fe2(3+)(OH)(SO4)(AsO4) . 7H2O] has been studied and compared with that of an amorphous gel containing specifically Fe, As and S, which is understood to be an intermediate product in the formation of bukovskyite. The observed bands are assigned to the stretching and bending vibrations of (SO4)2- and (AsO4)3- units, stretching and bending vibrations and vibrational modes of hydrogen-bonded water molecules, stretching and bending vibrations of hydrogen-bonded (OH)- ions and Fe3+ -(O,OH) units. The approximate range of O-H ... O hydrogen bond lengths was inferred from the Raman spectra. Raman spectra of crystalline bukovskyite and of the amorphous gel differ in that the bukovskyite spectrum is more complex, the observed bands are sharp and the degenerate bands of (SO4)2- and (AsO4)3- are split and more intense. Lower wavenumbers of delta H2O bending vibrations in the spectrum of the amorphous gel may indicate the presence of weaker hydrogen bonds compared to those in bukovskyite. (en)
Title	A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration (en)
skos:prefLabel	A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration (en)
skos:notation	RIV/00023272:_____/11:#0001563!RIV12-MK0-00023272
http://linked.open...avai/predkladatel	Národní muzeum
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MK00002327201), Z(MSM0021622412)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Čejka, Jiří Plášil, Jakub Sejkora, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Národní muzeum
http://linked.open...dnocenehoVysledku	184094
http://linked.open...ai/riv/idVysledku	RIV/00023272:_____/11:#0001563
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bukovskýite; Raman spectroscopy; arsenate; sulfate; hydroxyl ions; molecular water (en)
http://linked.open.../riv/klicoveSlovo	Raman spectroscopy arsenate bukovskýite hydroxyl ions molecular water sulfate
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[96D3C8695318]
http://linked.open...i/riv/nazevZdroje	Journal of Raman Spectroscopy
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	42
http://linked.open...iv/tvurceVysledku	Frost, Ray Leslie Keeffe, Eloise C. Loun, Jan Novák, Milan Palmer, Sara J. Plášil, Jakub Sejkora, Jiří Čejka, Jiří
http://linked.open...ain/vavai/riv/wos	000293001000017
http://linked.open...n/vavai/riv/zamer	Vědecké zhodnocení a rozšiřování přírodovědeckého sbírkového fondu Národního muzea Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
issn	0377-0486
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/jrs.2900
is http://linked.open...avai/riv/vysledek of	A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH) . 7H2O, a mineral phase with significant role in arsenic migration

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