View source for Chemistry:Gadolinium(III) nitrate

{{chembox
| verifiedrevid = 400097496
| ImageFile = Gadolinium(III) nitrate hexahydrate.jpg
| ImageSize = 
| IUPACName = 
| OtherNames = 
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 140078
| InChI = 1/Gd.3NO3/c;3*2-1(3)4/q+3;3*-1
| InChIKey = MWFSXYMZCVAQCC-UHFFFAOYAX
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/Gd.3NO3/c;3*2-1(3)4/q+3;3*-1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = MWFSXYMZCVAQCC-UHFFFAOYSA-N
| CASNo = 10168-81-7
| PubChem = 159266
| SMILES = [Gd+3].O=[N+]([O-])[O-].[O-][N+]([O-])=O.[O-][N+]([O-])=O
}}
|Section2={{Chembox Properties
| Formula = Gd(NO<sub>3</sub>)<sub>3</sub>
| MolarMass = 343.26 g/mol
| Appearance = White crystalline solid
| Density = 2.3 g/cm<sup>3</sup>
| MeltingPtC = 91
| BoilingPt = 
| Solubility = Soluble
  }}
|Section3={{Chembox Hazards
| ExternalSDS = [http://www.espimetals.com/index.php/msds/565-Gadolinium%20Nitrate External MSDS]
| MainHazards = 
| FlashPt = 
| AutoignitionPt = 
 }}
}}
'''Gadolinium(III) nitrate''' is an inorganic compound of [[Chemistry:Gadolinium|gadolinium]]. This salt is used as a water-soluble [[Chemistry:Neutron poison|neutron poison]] in [[Physics:Nuclear reactor|nuclear reactor]]s.<ref>{{cite book | title = DOE Fundamentals Handbook: Nuclear Physics and Reactor Theory | date = January 1993 | publisher = U.S. Department of Energy | url = http://www.hss.energy.gov/NuclearSafety/techstds/standard/hdbk1019/h1019v2.pdf | access-date = 2007-09-26 | pages = 31 | url-status = dead | archive-url = https://web.archive.org/web/20080423194722/http://www.hss.energy.gov/NuclearSafety/techstds/standard/hdbk1019/h1019v2.pdf | archive-date = 2008-04-23 }}</ref> Gadolinium nitrate, like all nitrate salts, is an [[Chemistry:Oxidizing agent|oxidizing agent]].

The most common form of this substance is hexahydrate Gd(NO<sub>3</sub>)<sub>3</sub>•6H<sub>2</sub>O with molecular weight 451.36 g/mol and CAS Number: 19598-90-4.[https://www.sigmaaldrich.com/UA/en/substance/gadoliniumiiinitratehexahydrate4513619598904] 

== Use ==
Gadolinium nitrate was used at the Savannah River Site heavy water nuclear reactors and had to be separated from the heavy water for storage or reuse.<ref>{{cite web|title = Novel Method for Removing Gadolinium from Used Heavy Water Reactor Moderator
|author1=E. Wilde |author2=C. Berry | url = http://sti.srs.gov/fulltext/ms2002146/ms2002146.html}}
</ref><ref>{{cite web|title = Novel Method for Removing Gadolinium from Used Heavy Water Reactor Moderator
|author1=E.W. Wilde |author2=M.B. Goli |author3=C.J. Berry |author4=J.W. Santo Domingo |author5=H.L. Martin | url = http://sti.srs.gov/fulltext/tr9900096/tr9900096.pdf}}
</ref>
The Canadian [[Engineering:CANDU reactor|CANDU reactor]], a pressurized heavy water reactor, also uses gadolinium nitrate as a water-soluble neutron poison in [[Chemistry:Heavy water|heavy water]].

Gadolinium nitrate is also used as a raw material in the production of other gadolinium compounds, for production of specialty glasses and ceramics and as a [[Physics:Phosphor|phosphor]].

== References ==
<references/>

{{Nitrates}}
{{Gadolinium compounds}}

[[Category:Gadolinium compounds]]
[[Category:Nitrates]]
[[Category:Neutron poisons]]

{{Sourceattribution|Gadolinium(III) nitrate}}