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Thermal decomposition of the hydrated basic carbonates of lanthanides and yttrium in CO2 atmosphere

Identifieur interne : 000B92 ( Istex/Curation ); précédent : 000B91; suivant : 000B93

Thermal decomposition of the hydrated basic carbonates of lanthanides and yttrium in CO2 atmosphere

Auteurs : L. Moscardini D'Assunção [Brésil] ; M. Ionashiro [Brésil] ; D. E. Rasera [Brésil] ; I. Giolito [Brésil]

Source :

Thermochimica Acta [ 0040-6031 ] ; 1993.

RBID : ISTEX:35FE4E90F8D05DDA31D5F93DA5DF30EF5BD68B79

Descripteurs français

Wicri :
- topic : Déshydratation.

English descriptors

KwdEn :
- Acta, Alumina crucible, Atmosphere show, Auxiliary anion, Carbonate, Chem, Curves show, Curves show mass losses, Dehydration, Dysprosium, Endo, Endothermic peak, Endothermic peaks, Europium, Exothermic peak, First step, Gadolinium, Heating rate, Hydrated, Lanthanide, Lanthanum, Lutetium, Lutetium compounds, Mass loss, Mass losses, Moscardini, Partial dehydration, Proc, Rearrangement, Reference material, Respective oxides, Samarium, Second step, Structural rearrangement, Temperature range, Terbium, Thermal behaviour, Thermal decomposition, Yttrium, Yttrium compounds.
Teeft :
- Acta, Alumina crucible, Atmosphere show, Auxiliary anion, Carbonate, Chem, Curves show, Curves show mass losses, Dehydration, Dysprosium, Endo, Endothermic peak, Endothermic peaks, Europium, Exothermic peak, First step, Gadolinium, Heating rate, Hydrated, Lanthanide, Lanthanum, Lutetium, Lutetium compounds, Mass loss, Mass losses, Moscardini, Partial dehydration, Proc, Rearrangement, Reference material, Respective oxides, Samarium, Second step, Structural rearrangement, Temperature range, Terbium, Thermal behaviour, Thermal decomposition, Yttrium, Yttrium compounds.

Abstract

Abstract: The hydrated basis carbonates of lanthanides and yttrium were prepared by precipitation from homogeneous solution via the hydrolysis of urea, without the addition of an auxiliary anion. Thermogravimetry, derivative thermogravimetry (TG-DTG), and differential thermal analysis (DTA) have been used in the study of these compounds in CO2 atmosphere. The results lead to the composition and thermal stability of the studied compounds, and also to a comparative study with reported results in air atmosphere.

Url:

https://api.istex.fr/document/35FE4E90F8D05DDA31D5F93DA5DF30EF5BD68B79/fulltext/pdf

DOI: 10.1016/0040-6031(93)80500-A

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Le document en format XML

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<term>Curves show</term>
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<term>Endothermic peak</term>
<term>Endothermic peaks</term>
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<term>Atmosphere show</term>
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<term>Chem</term>
<term>Curves show</term>
<term>Curves show mass losses</term>
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<term>Dysprosium</term>
<term>Endo</term>
<term>Endothermic peak</term>
<term>Endothermic peaks</term>
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<term>Exothermic peak</term>
<term>First step</term>
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<term>Heating rate</term>
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<term>Lanthanide</term>
<term>Lanthanum</term>
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<term>Lutetium compounds</term>
<term>Mass loss</term>
<term>Mass losses</term>
<term>Moscardini</term>
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<term>Proc</term>
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<front><div type="abstract" xml:lang="en">Abstract: The hydrated basis carbonates of lanthanides and yttrium were prepared by precipitation from homogeneous solution via the hydrolysis of urea, without the addition of an auxiliary anion. Thermogravimetry, derivative thermogravimetry (TG-DTG), and differential thermal analysis (DTA) have been used in the study of these compounds in CO2 atmosphere. The results lead to the composition and thermal stability of the studied compounds, and also to a comparative study with reported results in air atmosphere.</div>
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Thermal decomposition of the hydrated basic carbonates of lanthanides and yttrium in CO2 atmosphere

Thermal decomposition of the hydrated basic carbonates of lanthanides and yttrium in CO2 atmosphere

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri