About: Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure.

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About: Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Densities of highly alkaline sodium aluminate solutions have been measured by vibrating-tube densimetry over the temperature range 323 to 573 K at a pressure of 10 MPa. Ionic strengths, I, of these mixed solutions were from 1 to 6, and the degree of substitution of hydroxide by aluminate, R, ranged from 0.1 to 0.4, where R = mA/m and mA and m () I) are the aluminate and total molalities, respectively. Apparent molar volumes, Vφ, derived from the density data for the (NaOH + NaAl(OH)4)(aq) solutions, were found to follow Young?s rule; that is, they depended linearly on the level of substitution of aluminate for hydroxide at all temperatures. The slopes of the Young?s rule plots were independent of ionic strength at a given temperature but depended linearly on temperature. It is therefore possible to model Vφ (and hence the densities) of ternary (NaOH + NaAl(OH)4)(aq) mixtures using only two parameters in addition to those needed for the correlation of the binary NaOH(aq) solutions. This also Densities of highly alkaline sodium aluminate solutions have been measured by vibrating-tube densimetry over the temperature range 323 to 573 K at a pressure of 10 MPa. Ionic strengths, I, of these mixed solutions were from 1 to 6, and the degree of substitution of hydroxide by aluminate, R, ranged from 0.1 to 0.4, where R = mA/m and mA and m () I) are the aluminate and total molalities, respectively. Apparent molar volumes, Vφ, derived from the density data for the (NaOH + NaAl(OH)4)(aq) solutions, were found to follow Young?s rule; that is, they depended linearly on the level of substitution of aluminate for hydroxide at all temperatures. The slopes of the Young?s rule plots were independent of ionic strength at a given temperature but depended linearly on temperature. It is therefore possible to model Vφ (and hence the densities) of ternary (NaOH + NaAl(OH)4)(aq) mixtures using only two parameters in addition to those needed for the correlation of the binary NaOH(aq) solutions. This also (en)
Title	Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure. Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure. (en)
skos:prefLabel	Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure. Densities of concentrated alkaline aluminate solutions at temperatures (323 to 573) K and 10 MPa pressure. (en)
skos:notation	RIV/60461373:22340/10:00023447!RIV11-MSM-22340___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Hnědkovský, Lubomír Cibulka, Ivan
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	253307
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/10:00023447
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	density; aqueous solutions; sodium hydroxide; aluminates; high temperature; high pressure; apparent molar volume (en)
http://linked.open.../riv/klicoveSlovo	high temperature density high pressure aqueous solutions aluminates apparent molar volume sodium hydroxide
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[77A94BCEFC52]
http://linked.open...i/riv/nazevZdroje	Journal of Chemical Engineering Data
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Cibulka, Ivan Hnědkovský, Lubomír Hefter, Glenn Koenigsberger, Erich Koenigsberger, Lanchie May, Peter Schroedle, Simon
http://linked.open...ain/vavai/riv/wos	000275328000017
http://linked.open...n/vavai/riv/zamer	Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	0021-9568
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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