About: Experimentální zvětrávání perthitického živce

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Perthitic feldspar weathered in batch reactor (weight ratio feldspar/water ~ 4/15) during long-term (300 day) laboratory experiments at ambient conditions. During first 50 days of the experiment, aqueous concentrations of Si, Al, K, Na, and Ca reached limiting values 3.4x10-4, 9.2x10-5, 1.5x10-4, 1.2x10-4, 1.1x10-4 mol/l, respectively. Despite the fact, the studied system was still far away from equilibrium. High supersaturation with respect to secondary minerals (gibbsite, pyrophyllite, Ca-beidellite, K-beidellite, Na-beidellite, and kaolinite) and to primary minerals (albite and K-feldspar) was reached in the solution. Reaction paths on predominant stability diagrams crossed the stability field of gibbsite and kaolinite, and points to the Na-beidelite and K-feldspar stability fields. Based on X-ray diffraction, only muscovite and illite were proved. Electron microprobe analyses showed decreasing Al/Si stoichiometry of secondary phases during time. Perthitic feldspar weathered in batch reactor (weight ratio feldspar/water ~ 4/15) during long-term (300 day) laboratory experiments at ambient conditions. During first 50 days of the experiment, aqueous concentrations of Si, Al, K, Na, and Ca reached limiting values 3.4x10-4, 9.2x10-5, 1.5x10-4, 1.2x10-4, 1.1x10-4 mol/l, respectively. Despite the fact, the studied system was still far away from equilibrium. High supersaturation with respect to secondary minerals (gibbsite, pyrophyllite, Ca-beidellite, K-beidellite, Na-beidellite, and kaolinite) and to primary minerals (albite and K-feldspar) was reached in the solution. Reaction paths on predominant stability diagrams crossed the stability field of gibbsite and kaolinite, and points to the Na-beidelite and K-feldspar stability fields. Based on X-ray diffraction, only muscovite and illite were proved. Electron microprobe analyses showed decreasing Al/Si stoichiometry of secondary phases during time. (en) Perthitic feldspar weathered in batch reactor (weight ratio feldspar/water ~ 4/15) during long-term (300 day) laboratory experiments at ambient conditions. During first 50 days of the experiment, aqueous concentrations of Si, Al, K, Na, and Ca reached limiting values 3.4x10-4, 9.2x10-5, 1.5x10-4, 1.2x10-4, 1.1x10-4 mol/l, respectively. Despite the fact, the studied system was still far away from equilibrium. High supersaturation with respect to secondary minerals (gibbsite, pyrophyllite, Ca-beidellite, K-beidellite, Na-beidellite, and kaolinite) and to primary minerals (albite and K-feldspar) was reached in the solution. Reaction paths on predominant stability diagrams crossed the stability field of gibbsite and kaolinite, and points to the Na-beidelite and K-feldspar stability fields. Based on X-ray diffraction, only muscovite and illite were proved. Electron microprobe analyses showed decreasing Al/Si stoichiometry of secondary phases during time. (cs)
Title	Experimentální zvětrávání perthitického živce Experimentální zvětrávání perthitického živce (cs) Experimental weathering of perthitic feldspar (en)
skos:prefLabel	Experimentální zvětrávání perthitického živce Experimentální zvětrávání perthitického živce (cs) Experimental weathering of perthitic feldspar (en)
skos:notation	RIV/00216224:14310/04:00030680!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM 143100004)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vybíhal, Karel Faimon, 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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	563850
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/04:00030680
http://linked.open...riv/jazykVysledku	cze - čeština
http://linked.open.../riv/klicovaSlova	experiment; modeling; perthitic feldspar; saturation; secondary phase; weathering (en)
http://linked.open.../riv/klicoveSlovo	experiment modeling perthitic feldspar saturation weathering secondary phase
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[678D832F4DC8]
http://linked.open...i/riv/nazevZdroje	Geologické výzkumy na Moravě a ve Slezsku v r. 2003
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	XI
http://linked.open...iv/tvurceVysledku	Faimon, Jiří Vybíhal, Karel
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20143100004
issn	1212-6209
number of pages	2 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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