Sodium zincate: Difference between revisions
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| CASNo = 12179-14-5 |
| CASNo = 12179-14-5 |
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| PubChem = |
| PubChem = 166652 |
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| EINECS = 235-3 ft42-1 |
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| InChI = 1S/2Na.4H2O.Zn/h;;4*1H2;/q2*+1;;;;;+2/p-4 |
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| SMILES = [OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Zn+2] |
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| MolarMass = 179.418 g/mol |
| MolarMass = 179.418 g/mol |
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'''Sodium zincate''' refers to anionic zinc oxides or hydroxides, depending on conditions. In the applications of these materials, the exact formula is not necessarily important and it is likely that aqueous zincate solutions consist of mixtures.<ref> |
'''Sodium zincate''' refers to anionic zinc oxides or hydroxides, depending on conditions. In the applications of these materials, the exact formula is not necessarily important and it is likely that aqueous zincate solutions consist of mixtures.<ref>Glenn O. Mallory, Juan B. Hajdu, (1990), Electroless Plating: Fundamentals and Applications, American Electroplaters and Surface Finishers Society, , William Andrew Inc., {{ISBN|0-936569-07-7}}</ref> |
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==Hydroxyzincates== |
==Hydroxyzincates== |
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:Zn + 2 H<sub>2</sub>O + 2 NaOH → Na<sub>2</sub>Zn(OH)<sub>4</sub> + H<sub>2</sub> |
:Zn + 2 H<sub>2</sub>O + 2 NaOH → Na<sub>2</sub>Zn(OH)<sub>4</sub> + H<sub>2</sub> |
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From such solutions, one can crystallize salts of containing the anions Zn(OH)<sub>4</sub><sup> |
From such solutions, one can crystallize salts of containing the anions Zn(OH)<sub>4</sub><sup>2−</sup>, Zn<sub>2</sub>(OH)<sub>6</sub><sup>2−</sup>, and Zn(OH)<sub>6</sub><sup>4−</sup>. Na<sub>2</sub>Zn(OH)<sub>4</sub> consists of tetrahedral zincate ion and octahedral sodium cations.<ref>Synthese und Kristallstruktur von Na<sub>2</sub>Zn(OH)<sub>4</sub>, R. Stahl , R. Niewa , H. Jacobs, Zeitschrift für anorganische und allgemeine Chemie, volume 625, pp. 48 - 50, {{doi|10.1002/(SICI)1521-3749(199901)625:1<48::AID-ZAAC48>3.0.CO;2-L}}</ref><br /> The salt Sr<sub>2</sub>Zn(OH)<sub>6</sub> features zinc in an octahedral coordination sphere. |
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==Oxozincates== |
==Oxozincates== |
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Related oxides are also known such as Na<sub>2</sub>ZnO<sub>2</sub>,<ref> |
Related oxides are also known such as Na<sub>2</sub>ZnO<sub>2</sub>,<ref name=trin1996>D. Trinschek, M. Jansen (1996): "Na<sub>2</sub>ZnO2, ein neues Natriumzinkat". ''Zeitschrift für Naturforschung B'', volume 51, issue 5, pages 711-714. {{doi|10.1515/znb-1996-0515}}</ref> Na<sub>2</sub>Zn<sub>2</sub>O<sub>3</sub>,<ref>Eine neue Modifikation von Na<sub>2</sub>Zn<sub>2</sub>O<sub>3</sub>, D. Trinschek, M. Jansen: , Z. Naturforschung 51b, (1996), 917-21</ref> Na<sub>10</sub>Zn<sub>4</sub>O<sub>9</sub>.<ref>Ein neues Oxozinkat mit trigonal-planar koordiniertem Zink, D. Trinschek, M. Jansen: Na<sub>10</sub>Zn<sub>4</sub>O<sub>9</sub>, Zeitschrift für anorganische und allgemeine Chemie volume 622 (1996), pp. 245-50</ref> |
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==References== |
==References== |
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{{reflist}} |
{{reflist}} |
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{{Sodium compounds}} |
{{Sodium compounds}} |
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{{zinc compounds}} |
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[[Category:Sodium compounds]] |
[[Category:Sodium compounds]] |
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[[Category:Zinc compounds]] |
[[Category:Zinc compounds]] |
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[[ar:زنكات الصوديوم]] |
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[[nl:Natriumzinkaat]] |
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[[vi:Natri zincat]] |