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Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating

Identifieur interne : 009F36 ( Main/Repository ); précédent : 009F35; suivant : 009F37

Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating

Auteurs : RBID : Pascal:06-0017227

Descripteurs français

Pascal (Inist)
- Algae, Calcium carbonate, Dépôt électrolytique, Revêtement, Electrocristallisation, Indium oxyde, Etain oxyde, Matériau transparent, Electrode, Microscopie électronique balayage, Microscopie RX, Electrolyte, Magnésium, Calcite, Transformation phase, Composé minéral, Mg.
Wicri :
- concept : Magnésium, Composé minéral.

English descriptors

KwdEn :
- Algae, Calcite, Calcium carbonates, Coatings, Electrocrystallization, Electrodeposition, Electrodes, Electrolytes, Indium oxides, Inorganic compounds, Magnesium, Phase transformations, Scanning electron microscopy, Tin oxides, Transparent material, X-ray microscopy.

Abstract

The effect of alginic acid, extracted from the Lessonia trabeculata calcareous marine algae, was studied in the electrocrystallization of calcium carbonate (CaCO₃) on indium tin oxide (ITO) transparent electrodes. Scanning electron microscopy, X-ray diffraction-collected data and microscopic observations show that the presence of Mg²⁺ at the electrolyte induces the magnesium calcite and aragonite phase formation along with the changes in morphology and crystal orientation. Addition of alginic acid strongly inhibits the effect of Mg²⁺ on the crystallization, receiving in favor of the nucleation and growth of calcite phase of CaCO₃. These results suggest that the alginic acid acts as an organic template in the electrocrystallization of CaCO₃, controlling the crystallographic orientation of crystal growth, and as a consequence, the crystal morphology.

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Pascal:06-0017227

Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating</title>
<author><name sortKey="Pavez, Jorge" uniqKey="Pavez J">Jorge Pavez</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratorio de Física No Lineal, Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, correo 2</s1>
<s2>Samtiago</s2>
<s3>CHL</s3>
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<country>Chili</country>
<wicri:noRegion>Samtiago</wicri:noRegion>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centro para la Investigación Interdisciplinaria Avanzadu en Ciencias de los Materiales CIMAT-Chile</s1>
<s3>CHL</s3>
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<country>Chili</country>
<wicri:noRegion>Centro para la Investigación Interdisciplinaria Avanzadu en Ciencias de los Materiales CIMAT-Chile</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Silva, Juan F" uniqKey="Silva J">Juan F. Silva</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratorio de Física No Lineal, Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, correo 2</s1>
<s2>Samtiago</s2>
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<country>Chili</country>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centro para la Investigación Interdisciplinaria Avanzadu en Ciencias de los Materiales CIMAT-Chile</s1>
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<author><name sortKey="Melo, Francisco" uniqKey="Melo F">Francisco Melo</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratorio de Física No Lineal, Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, correo 2</s1>
<s2>Samtiago</s2>
<s3>CHL</s3>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centro para la Investigación Interdisciplinaria Avanzadu en Ciencias de los Materiales CIMAT-Chile</s1>
<s3>CHL</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Chili</country>
<wicri:noRegion>Centro para la Investigación Interdisciplinaria Avanzadu en Ciencias de los Materiales CIMAT-Chile</wicri:noRegion>
</affiliation>
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<publicationStmt><idno type="inist">06-0017227</idno>
<date when="2005">2005</date>
<idno type="stanalyst">PASCAL 06-0017227 INIST</idno>
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<seriesStmt><idno type="ISSN">0022-0248</idno>
<title level="j" type="abbreviated">J. cryst. growth</title>
<title level="j" type="main">Journal of crystal growth</title>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algae</term>
<term>Calcite</term>
<term>Calcium carbonates</term>
<term>Coatings</term>
<term>Electrocrystallization</term>
<term>Electrodeposition</term>
<term>Electrodes</term>
<term>Electrolytes</term>
<term>Indium oxides</term>
<term>Inorganic compounds</term>
<term>Magnesium</term>
<term>Phase transformations</term>
<term>Scanning electron microscopy</term>
<term>Tin oxides</term>
<term>Transparent material</term>
<term>X-ray microscopy</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Algae</term>
<term>Calcium carbonate</term>
<term>Dépôt électrolytique</term>
<term>Revêtement</term>
<term>Electrocristallisation</term>
<term>Indium oxyde</term>
<term>Etain oxyde</term>
<term>Matériau transparent</term>
<term>Electrode</term>
<term>Microscopie électronique balayage</term>
<term>Microscopie RX</term>
<term>Electrolyte</term>
<term>Magnésium</term>
<term>Calcite</term>
<term>Transformation phase</term>
<term>Composé minéral</term>
<term>Mg</term>
</keywords>
<keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Magnésium</term>
<term>Composé minéral</term>
</keywords>
</textClass>
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<front><div type="abstract" xml:lang="en">The effect of alginic acid, extracted from the Lessonia trabeculata calcareous marine algae, was studied in the electrocrystallization of calcium carbonate (CaCO<sub>3</sub>
) on indium tin oxide (ITO) transparent electrodes. Scanning electron microscopy, X-ray diffraction-collected data and microscopic observations show that the presence of Mg<sup>2+</sup>
 at the electrolyte induces the magnesium calcite and aragonite phase formation along with the changes in morphology and crystal orientation. Addition of alginic acid strongly inhibits the effect of Mg<sup>2+</sup>
 on the crystallization, receiving in favor of the nucleation and growth of calcite phase of CaCO<sub>3</sub>
. These results suggest that the alginic acid acts as an organic template in the electrocrystallization of CaCO<sub>3</sub>
, controlling the crystallographic orientation of crystal growth, and as a consequence, the crystal morphology.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating</s1>
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<fA11 i1="01" i2="1"><s1>PAVEZ (Jorge)</s1>
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<fA11 i1="02" i2="1"><s1>SILVA (Juan F.)</s1>
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<fA14 i1="01"><s1>Laboratorio de Física No Lineal, Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, correo 2</s1>
<s2>Samtiago</s2>
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<fC01 i1="01" l="ENG"><s0>The effect of alginic acid, extracted from the Lessonia trabeculata calcareous marine algae, was studied in the electrocrystallization of calcium carbonate (CaCO<sub>3</sub>
) on indium tin oxide (ITO) transparent electrodes. Scanning electron microscopy, X-ray diffraction-collected data and microscopic observations show that the presence of Mg<sup>2+</sup>
 at the electrolyte induces the magnesium calcite and aragonite phase formation along with the changes in morphology and crystal orientation. Addition of alginic acid strongly inhibits the effect of Mg<sup>2+</sup>
 on the crystallization, receiving in favor of the nucleation and growth of calcite phase of CaCO<sub>3</sub>
. These results suggest that the alginic acid acts as an organic template in the electrocrystallization of CaCO<sub>3</sub>
, controlling the crystallographic orientation of crystal growth, and as a consequence, the crystal morphology.</s0>
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Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating

Effects of alginic acid from marine algae on calcium carbonate electrodeposited coating

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