Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures
Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large wate...
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1985 |
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| Umfang: |
9 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: Journal of materials science - 1966, 20(1985) vom: Dez., Seite 4601-4609 |
| Übergeordnetes Werk: |
volume:20 ; year:1985 ; month:12 ; pages:4601-4609 ; extent:9 |
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NLEJ194578739 |
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| 520 | |a Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. | ||
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| 700 | 1 | |a Rigotti, G. |4 oth | |
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(DE-627)NLEJ194578739 DE-627 ger DE-627 rakwb eng Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. Springer Online Journal Archives 1860-2002 Blesa, M. A. oth Maroto, A. J. G. oth Passaggio, S. I. oth Figliolia, N. E. oth Rigotti, G. oth in Journal of materials science 1966 20(1985) vom: Dez., Seite 4601-4609 (DE-627)NLEJ188987134 (DE-600)2015305-3 1573-4803 nnns volume:20 year:1985 month:12 pages:4601-4609 extent:9 http://dx.doi.org/10.1007/BF00559350 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 20 1985 12 4601-4609 9 |
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(DE-627)NLEJ194578739 DE-627 ger DE-627 rakwb eng Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. Springer Online Journal Archives 1860-2002 Blesa, M. A. oth Maroto, A. J. G. oth Passaggio, S. I. oth Figliolia, N. E. oth Rigotti, G. oth in Journal of materials science 1966 20(1985) vom: Dez., Seite 4601-4609 (DE-627)NLEJ188987134 (DE-600)2015305-3 1573-4803 nnns volume:20 year:1985 month:12 pages:4601-4609 extent:9 http://dx.doi.org/10.1007/BF00559350 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 20 1985 12 4601-4609 9 |
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(DE-627)NLEJ194578739 DE-627 ger DE-627 rakwb eng Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. Springer Online Journal Archives 1860-2002 Blesa, M. A. oth Maroto, A. J. G. oth Passaggio, S. I. oth Figliolia, N. E. oth Rigotti, G. oth in Journal of materials science 1966 20(1985) vom: Dez., Seite 4601-4609 (DE-627)NLEJ188987134 (DE-600)2015305-3 1573-4803 nnns volume:20 year:1985 month:12 pages:4601-4609 extent:9 http://dx.doi.org/10.1007/BF00559350 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 20 1985 12 4601-4609 9 |
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(DE-627)NLEJ194578739 DE-627 ger DE-627 rakwb eng Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. Springer Online Journal Archives 1860-2002 Blesa, M. A. oth Maroto, A. J. G. oth Passaggio, S. I. oth Figliolia, N. E. oth Rigotti, G. oth in Journal of materials science 1966 20(1985) vom: Dez., Seite 4601-4609 (DE-627)NLEJ188987134 (DE-600)2015305-3 1573-4803 nnns volume:20 year:1985 month:12 pages:4601-4609 extent:9 http://dx.doi.org/10.1007/BF00559350 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 20 1985 12 4601-4609 9 |
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(DE-627)NLEJ194578739 DE-627 ger DE-627 rakwb eng Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures 1985 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. Springer Online Journal Archives 1860-2002 Blesa, M. A. oth Maroto, A. J. G. oth Passaggio, S. I. oth Figliolia, N. E. oth Rigotti, G. oth in Journal of materials science 1966 20(1985) vom: Dez., Seite 4601-4609 (DE-627)NLEJ188987134 (DE-600)2015305-3 1573-4803 nnns volume:20 year:1985 month:12 pages:4601-4609 extent:9 http://dx.doi.org/10.1007/BF00559350 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 20 1985 12 4601-4609 9 |
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Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. |
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Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. |
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Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ194578739</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210707232642.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070526s1985 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ194578739</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Hydrous zirconium dioxide: interfacial properties, the formation of monodisperse spherical particles, and its crystallization at high temperatures</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1985</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">9</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The characteristics of hydrous zirconia gels obtained by hydrolysis of highly acidic ZrOCl2 · 8H2O solutions at ∼100‡C are described. Under adequate conditions, monodisperse spherical hydrous zirconia is obtained. The role of sulphate and chloride ions is described. The gel has a large water content, indicating only modest crosslinking. Crystallization upon heating takes place with the formation of both monoclinic and tetragonal zirconia polymorphs; X-ray line widening studies do not indicate a particle size-crystal structure correlation. On the basis of this observation and using Stranki's rule, the crystallization sequence upon heating is rationalized. Surface properties of hydrous zirconia are discussed on the basis of electrophoretic measurements, and compared with those of baddeleyte. The site binding model is not very adequate to describe these systems, and the existence of a very thin gel-like region at the baddeleyte-water interface is postulated.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Springer Online Journal Archives 1860-2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Blesa, M. A.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Maroto, A. J. G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Passaggio, S. I.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Figliolia, N. E.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Rigotti, G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Journal of materials science</subfield><subfield code="d">1966</subfield><subfield code="g">20(1985) vom: Dez., Seite 4601-4609</subfield><subfield code="w">(DE-627)NLEJ188987134</subfield><subfield code="w">(DE-600)2015305-3</subfield><subfield code="x">1573-4803</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:20</subfield><subfield code="g">year:1985</subfield><subfield code="g">month:12</subfield><subfield code="g">pages:4601-4609</subfield><subfield code="g">extent:9</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1007/BF00559350</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SOJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">20</subfield><subfield code="j">1985</subfield><subfield code="c">12</subfield><subfield code="h">4601-4609</subfield><subfield code="g">9</subfield></datafield></record></collection>
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7.400402 |