| Revision as of 15:33, 6 December 2011 editBeetstra (talk | contribs)Edit filter managers, Administrators172,031 edits Saving copy of the {{chembox}} taken from revid 453906594 of page Sodium_cobaltinitrite for the Chem/Drugbox validation project (updated: 'CASNo'). |
Latest revision as of 10:15, 12 October 2024 edit 2001:569:bb48:f500:dd40:69fd:85b2:6142 (talk) added "an"Tags: Mobile edit Mobile web edit |
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{{ambox | text = This page contains a copy of the infobox ({{tl|chembox}}) taken from revid of page ] with values updated to verified values.}} |
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| verifiedrevid = 447351420 |
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| verifiedrevid = 464400670 |
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|ImageFile=Sodium cobaltinitrite.png |
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| Name = |
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| ImageFile1 = Na3Co(NO2)6.svg |
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|IUPACName= sodium hexanitritocobaltate(III) |
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| ImageFile2 = Sodium hexanitritocobaltate(III) powder.jpg |
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| IUPACName = Sodium hexanitritocobaltate(III) |
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|Section1={{Chembox Identifiers |
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| OtherNames = Sodium cobaltinitrite |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| SystematicName = |
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| Section1 = {{Chembox Identifiers |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| ChemSpiderID = 13198283 |
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| ChemSpiderID = 13198283 |
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| EINECS = 237-077-7 |
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| InChI = 1/Co.6NO2.3Na/c;6*2-1-3;;;/q-3;;;;;;;3*+1/rCoN6O12.3Na/c8-2(9)1(3(10)11,4(12)13,5(14)15,6(16)17)7(18)19;;;/q-3;3*+1 |
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| InChI = 1/Co.6NO2.3Na/c;6*2-1-3;;;/q-3;;;;;;;3*+1/rCoN6O12.3Na/c8-2(9)1(3(10)11,4(12)13,5(14)15,6(16)17)7(18)19;;;/q-3;3*+1 |
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| InChIKey = IMBXIBFCGMYSME-PEVTYUNUAJ |
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| InChIKey = IMBXIBFCGMYSME-PEVTYUNUAJ |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey = IMBXIBFCGMYSME-UHFFFAOYSA-N |
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| StdInChIKey = IMBXIBFCGMYSME-UHFFFAOYSA-N |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo = <!-- blanked - oldvalue: 13600-98-1 --> |
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| CASNo=13600-98-1 |
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| PubChem= 16211641 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| SMILES = ...O=()(()=O)((=O))(()=O)(()=O)()=O |
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| UNII = XO0NGY9EY7 |
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| PubChem= 16211641 |
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| SMILES = ...O=()(()=O)((=O))(()=O)(()=O)()=O |
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|Section2={{Chembox Properties |
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| Section2 = {{Chembox Properties |
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| Formula = {{chem2|Na3}} |
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| Co = 1 | N = 6 | Na = 3 | O = 12 |
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| Co=1|N=6|Na=3|O=12 |
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| Appearance=Yellow crystals |
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| Density= 2.565 g/cm<sup>3</sup> |
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|Section3={{Chembox Hazards |
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| Section3 = {{Chembox Hazards |
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| GHS_ref=<ref>{{cite web |title=C&L Inventory |url=https://echa.europa.eu/information-on-chemicals/cl-inventory-database/-/discli/details/44858 |website=echa.europa.eu}}</ref> |
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| GHSPictograms = {{GHS03}}{{GHS07}}{{GHS08}} |
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| GHSSignalWord = Danger |
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| HPhrases = {{H-phrases|272|315|317|319|334|335|351}} |
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| PPhrases = {{P-phrases|}} |
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'''Sodium hexanitritocobaltate(III)''' is an ] with the formula {{chem2|Na3}}. The anion of this yellow-coloured salt consists of the ] {{chem2|(3-)}}. It was a reagent for the qualitative test for ] and ] ions.<ref name=G&W>{{Greenwood&Earnshaw2nd}}</ref> |
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==Synthesis and reactions== |
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The compound is prepared by oxidation of cobalt(II) salts in the presence of ]:<ref>{{cite encyclopedia|first=O. |last=Glemser |title=Sodium Hexanitritocobaltate(III) |encyclopedia=Handbook of Preparative Inorganic Chemistry |edition=2nd |editor-first=G. |editor-last=Brauer |publisher=Academic Press |date=1963 |location=New York, NY |volume=1 |page=1541}}</ref> |
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:{{chem2|4 (NO3)2 + O2 + 24 NaNO2 → 4 Na3 + 8 NaNO3 + 4 NaOH + 22 H2O}} |
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==Application for analysis of potassium== |
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Although the sodium cobaltinitrite is soluble in water, it forms the basis of a quantitative determination of potassium, thallium, and ammonium ions. Under the recommended reaction conditions the insoluble double salt, {{chem2|K2Na*H2O}} is precipitated and weighed.<ref name = "Vogel">{{cite book|first=A. I. |last=Vogel|date=1951 |title=Quantitative Inorganic Analysis |edition=2nd|publisher=Longmans Green and Co.}}</ref>{{pn|date=February 2024}} In ], sodium cobaltinitrite is used to distinguish alkali feldspars from plagioclase feldspars in thin section.<ref name="Bailey & Stevens">{{Cite journal |last=Bailey |first=E. H. |last2=Stevens |first2=R. E. |date=1960 |title=Selective staining of K-feldspar and plagioclase on rock slabs and thin sections |url=https://pubs.geoscienceworld.org/msa/ammin/article-abstract/45/9-10/1020/541675/Selective-staining-of-K-feldspar-and-plagioclase |journal=American Mineralogist |volume=45 |pages=1020–1025 |issn=1945-3027}}</ref> |
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{{Gallery |
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|File:Sodium hexanitritocobaltate(III) solution.jpg |
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|Concentrated aqueous solution of sodium cobaltinitrite. |
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|File:Impure dipotassium sodium cobaltinitrite (K2Na(Co(NO2)6)) monohydrate.jpg |
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|{{chem2|K2Na*H2O}} |
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}} |
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] |
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==See also== |
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* ] |
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==References== |
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{{reflist}} |
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{{Sodium compounds}} |
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] |
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] |
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] |
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] |
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] |
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] |