Serveur d'exploration sur le cobalt au Maghreb

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The ternary system : H2O-Fe(NO3)3-Co(NO3)2 isotherms -15 and -25 °C

Identifieur interne : 000779 ( Main/Exploration ); précédent : 000778; suivant : 000780

The ternary system : H2O-Fe(NO3)3-Co(NO3)2 isotherms -15 and -25 °C

Auteurs : B. El Goundali [Maroc] ; M. Kaddami [Maroc]

Source :

RBID : Pascal:08-0322629

Descripteurs français

English descriptors

Abstract

The binary system H2O-Fe(NO3)3 has been investigated at temperature ranging between -25 and 47 °C. The solid-liquid equilibria of the ternary system H20-Fe(N03)3-Co(N03)2 were studied at -15 and -25 °C by using a synthetic method based on conductivity measurements which allows all the characteristic points of the isotherms to be determined, and the stable solid phases which appear are respectively: ice, Fe(NO3)3.9H2O, Fe(NO3)3.6H2O, Co(NO3)2.9H2O, Co(NO3)2.6H2O and Co(NO3)2.3H2O.


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Le document en format XML

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<title xml:lang="en" level="a">The ternary system : H
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O-Fe(NO
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isotherms -15 and -25 °C</title>
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<title xml:lang="en" level="a">The ternary system : H
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O-Fe(NO
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<sub>3</sub>
-Co(NO
<sub>3</sub>
)
<sub>2</sub>
isotherms -15 and -25 °C</title>
<author>
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<term>Binary systems</term>
<term>Cobalt nitrate</term>
<term>Iron nitrate</term>
<term>Isothermal section</term>
<term>Liquid solid equilibrium</term>
<term>Phase diagrams</term>
<term>Solubility</term>
<term>Ternary systems</term>
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<term>Nitrate de fer</term>
<term>Nitrate de cobalt</term>
<term>Système ternaire</term>
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<div type="abstract" xml:lang="en">The binary system H
<sub>2</sub>
O-Fe(NO
<sub>3</sub>
)
<sub>3</sub>
has been investigated at temperature ranging between -25 and 47 °C. The solid-liquid equilibria of the ternary system H20-Fe(N03)3-Co(N03)2 were studied at -15 and -25 °C by using a synthetic method based on conductivity measurements which allows all the characteristic points of the isotherms to be determined, and the stable solid phases which appear are respectively: ice, Fe(NO
<sub>3</sub>
)
<sub>3</sub>
.9H
<sub>2</sub>
O, Fe(NO
<sub>3</sub>
)
<sub>3</sub>
.6H
<sub>2</sub>
O, Co(NO
<sub>3</sub>
)
<sub>2</sub>
.9H
<sub>2</sub>
O, Co(NO
<sub>3</sub>
)
<sub>2</sub>
.6H
<sub>2</sub>
O and Co(NO
<sub>3</sub>
)
<sub>2</sub>
.3H
<sub>2</sub>
O.</div>
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