NickelMaghrebV1, Maroc, Analysis, bibRecord, 000136

Water activity, osmotic and activity coefficients of aqueous solutions of Li2SO4 Na2SO4, K2SO4, (NH4)2SO4, MgSO4, MnSO4, NiSO4, CuSO4, and ZnSO4 at T = 298.15 K

Identifieur interne : 000136 ( Maroc/Analysis ); précédent : 000135; suivant : 000137

Water activity, osmotic and activity coefficients of aqueous solutions of Li2SO4 Na2SO4, K2SO4, (NH4)2SO4, MgSO4, MnSO4, NiSO4, CuSO4, and ZnSO4 at T = 298.15 K

Auteurs : M. El Guendouzi [Maroc] ; A. Mounir [Maroc] ; A. Dinane [Maroc]

Source :

Journal of chemical thermodynamics [ 0021-9614 ] ; 2003.

RBID : Pascal:04-0054972

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Propriété thermodynamique, Activité eau, Coefficient osmotique, Prédiction, Coefficient activité, Solution aqueuse, Solution électrolyte, Lithium Sulfate, Sodium Sulfate, Potassium Sulfate, Ammonium Sulfate, Magnésium Sulfate, Manganèse Sulfate, Nickel Sulfate, Cuivre Sulfate, Zinc Sulfate.

English descriptors

KwdEn :
- Activity coefficient, Ammonium Sulfates, Aqueous solution, Copper Sulfates, Electrolyte solution, Experimental study, Lithium Sulfates, Magnesium Sulfates, Manganese Sulfates, Nickel Sulfates, Osmotic coefficient, Potassium Sulfates, Prediction, Sodium Sulfates, Thermodynamic properties, Water activity, Zinc Sulfates.

Abstract

The water activities for aqueous solutions of Li₂SO₄(aq), Na₂SO₄(aq), K₂SO₄(aq), (NH₄)₂SO₄(aq), and sulphates MgSO₄(aq), MnSO₄(aq), NiSO₄(aq), CuSO₄(aq), and ZnSO₄(aq) were determined experimentally at a temperature of 298.15 K with a hygrometric method, at molalities in the range from 0.1 mol.kg^-1 to saturation. The osmotic coefficients are calculated from these results. The coefficients of Pitzer's model was used to fit the osmotic coefficients for each salt solution. These parameters were used to predict solute activity coefficients for the salts studied.

Affiliations:

Maroc

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Pascal:04-0054972

Le document en format XML

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SO<sub>4</sub>
 Na<sub>2</sub>
SO<sub>4</sub>
, K<sub>2</sub>
SO<sub>4</sub>
, (NH<sub>4</sub>
)<sub>2</sub>
SO<sub>4</sub>
, MgSO<sub>4</sub>
, MnSO<sub>4</sub>
, NiSO<sub>4</sub>
, CuSO<sub>4</sub>
, and ZnSO<sub>4</sub>
 at T = 298.15 K</title>
<author><name sortKey="El Guendouzi, M" sort="El Guendouzi, M" uniqKey="El Guendouzi M" first="M." last="El Guendouzi">M. El Guendouzi</name>
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<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
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<author><name sortKey="Mounir, A" sort="Mounir, A" uniqKey="Mounir A" first="A." last="Mounir">A. Mounir</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Water activity, osmotic and activity coefficients of aqueous solutions of Li<sub>2</sub>
SO<sub>4</sub>
 Na<sub>2</sub>
SO<sub>4</sub>
, K<sub>2</sub>
SO<sub>4</sub>
, (NH<sub>4</sub>
)<sub>2</sub>
SO<sub>4</sub>
, MgSO<sub>4</sub>
, MnSO<sub>4</sub>
, NiSO<sub>4</sub>
, CuSO<sub>4</sub>
, and ZnSO<sub>4</sub>
 at T = 298.15 K</title>
<author><name sortKey="El Guendouzi, M" sort="El Guendouzi, M" uniqKey="El Guendouzi M" first="M." last="El Guendouzi">M. El Guendouzi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Département de Chimie, Faculté des Sciences Ben M'sik, Université Hassan H Mohammedia, B.P 7955</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Mounir, A" sort="Mounir, A" uniqKey="Mounir A" first="A." last="Mounir">A. Mounir</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Département de Chimie, Faculté des Sciences Ben M'sik, Université Hassan H Mohammedia, B.P 7955</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Dinane, A" sort="Dinane, A" uniqKey="Dinane A" first="A." last="Dinane">A. Dinane</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Département de Chimie, Faculté des Sciences Ben M'sik, Université Hassan H Mohammedia, B.P 7955</s1>
<s2>Casablanca</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<wicri:noRegion>Casablanca</wicri:noRegion>
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<series><title level="j" type="main">Journal of chemical thermodynamics</title>
<title level="j" type="abbreviated">J. chem. thermodyn.</title>
<idno type="ISSN">0021-9614</idno>
<imprint><date when="2003">2003</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Activity coefficient</term>
<term>Ammonium Sulfates</term>
<term>Aqueous solution</term>
<term>Copper Sulfates</term>
<term>Electrolyte solution</term>
<term>Experimental study</term>
<term>Lithium Sulfates</term>
<term>Magnesium Sulfates</term>
<term>Manganese Sulfates</term>
<term>Nickel Sulfates</term>
<term>Osmotic coefficient</term>
<term>Potassium Sulfates</term>
<term>Prediction</term>
<term>Sodium Sulfates</term>
<term>Thermodynamic properties</term>
<term>Water activity</term>
<term>Zinc Sulfates</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Propriété thermodynamique</term>
<term>Activité eau</term>
<term>Coefficient osmotique</term>
<term>Prédiction</term>
<term>Coefficient activité</term>
<term>Solution aqueuse</term>
<term>Solution électrolyte</term>
<term>Lithium Sulfate</term>
<term>Sodium Sulfate</term>
<term>Potassium Sulfate</term>
<term>Ammonium Sulfate</term>
<term>Magnésium Sulfate</term>
<term>Manganèse Sulfate</term>
<term>Nickel Sulfate</term>
<term>Cuivre Sulfate</term>
<term>Zinc Sulfate</term>
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<front><div type="abstract" xml:lang="en">The water activities for aqueous solutions of Li<sub>2</sub>
SO<sub>4</sub>
(aq), Na<sub>2</sub>
SO<sub>4</sub>
(aq), K<sub>2</sub>
SO<sub>4</sub>
(aq), (NH<sub>4</sub>
)<sub>2</sub>
SO<sub>4</sub>
(aq), and sulphates MgSO<sub>4</sub>
(aq), MnSO<sub>4</sub>
(aq), NiSO<sub>4</sub>
(aq), CuSO<sub>4</sub>
(aq), and ZnSO<sub>4</sub>
(aq) were determined experimentally at a temperature of 298.15 K with a hygrometric method, at molalities in the range from 0.1 mol.kg<sup>-1</sup>
 to saturation. The osmotic coefficients are calculated from these results. The coefficients of Pitzer's model was used to fit the osmotic coefficients for each salt solution. These parameters were used to predict solute activity coefficients for the salts studied.</div>
</front>
</TEI>
<affiliations><list><country><li>Maroc</li>
</country>
</list>
<tree><country name="Maroc"><noRegion><name sortKey="El Guendouzi, M" sort="El Guendouzi, M" uniqKey="El Guendouzi M" first="M." last="El Guendouzi">M. El Guendouzi</name>
</noRegion>
<name sortKey="Dinane, A" sort="Dinane, A" uniqKey="Dinane A" first="A." last="Dinane">A. Dinane</name>
<name sortKey="Mounir, A" sort="Mounir, A" uniqKey="Mounir A" first="A." last="Mounir">A. Mounir</name>
</country>
</tree>
</affiliations>
</record>

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Water activity, osmotic and activity coefficients of aqueous solutions of Li2SO4 Na2SO4, K2SO4, (NH4)2SO4, MgSO4, MnSO4, NiSO4, CuSO4, and ZnSO4 at T = 298.15 K

Water activity, osmotic and activity coefficients of aqueous solutions of Li2SO4 Na2SO4, K2SO4, (NH4)2SO4, MgSO4, MnSO4, NiSO4, CuSO4, and ZnSO4 at T = 298.15 K

Source :

Descripteurs français

English descriptors

Abstract

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