Silver selenite

Crystal structure
	__ Ag 2+ __ Se 4+ __ O 2−
General
Surname	Silver selenite
other names	Disilver selenite
Ratio formula	Ag 2 SeO 3
Brief description	white solid
External identifiers / databases
ECHA InfoCard	100.029.133
PubChem	15520661
ChemSpider	14668373
Wikidata	Q3704022
properties
Molar mass	342.69 g mol −1
Physical state	firmly
density	5.93 g cm −3
Melting point	530 ° C
boiling point	> 550 ° C (decomposition)
solubility	poorly soluble in water; soluble in acids;
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Silver selenite is a chemical compound of silver from the selenite group .

Extraction and presentation

Silver selenite can be obtained by reacting selenious acid with silver nitrate .

The compound can also be obtained by reacting sodium selenite or selenium with silver nitrate.

{\ displaystyle {\ ce {3 Se + 6AgNO3 + 3H2O -> 2Ag2Se + Ag2SO3 + 6 HNO3}}}

properties

Silver selenite is a white solid that is sparingly soluble in water. It has a monoclinic crystal structure with the space group P 2 ₁ / c (space group no. 14) . Template: room group / 14

use

Silver selenite can be used to make silver (I) selenide , dialkyl selenites or selenic acid .

{\ displaystyle {\ ce {Ag2SeO3 + Br2 + H2O -> H2SeO4 + 2AgBr}}}

Individual evidence

^ ^A ^b Karl-Christian Buschbeck: Silver Part A 3. Chemical behavior. Evidence and determination. Toxicity. Colloidal silver . Springer-Verlag, 2013, ISBN 978-3-662-11400-1 , p. 86 ( limited preview in Google Book search).
↑ ^a ^b ^c ^d ^e William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 85 ( limited preview in Google Book search).
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
^ Chemical Thermodynamics of Selenium . Elsevier, 2005, ISBN 978-0-08-045751-2 , pp. 461 ( limited preview in Google Book search).
↑ ^a ^b Pertti Okkonen, Lassi Hiltunen u. a .: Crystal Structure and Thermal Stability of Silver Selenite .. In: Acta Chemica Scandinavica. 48, 1994, p. 857, doi : 10.3891 / acta.chem.scand.48-0857 .
^ Daryl Ann Doane, Adam Heller: Proceedings of the Symposium on Inorganic Resist Systems . Electrochemical Society, 1982, pp. 159 ( limited preview in Google Book search).
↑ M. Satake & SA Iqbal: Chemistry Of P-Block Elements . Discovery Publishing House, 2003, ISBN 81-7141-268-8 , pp. 209 ( limited preview in Google Book search).
↑ Sudip K. Batabyal, C. Basu et al. a .: Micropatterns of Ag2Se Nanocrystals. In: Crystal Growth & Design. 4, 2004, p. 509, doi : 10.1021 / cg034228k .
^ Houben-Weyl Methods of Organic Chemistry Vol. IX, 4th Edition Sulfur, Selenium, Tellurium Compounds . Georg Thieme Verlag, 2014, ISBN 3-13-180544-7 , p. 1122 ( limited preview in Google Book search).

[Karl-Christian_Buschbeck-1] A ^b Karl-Christian Buschbeck: Silver Part A 3. Chemical behavior. Evidence and determination. Toxicity. Colloidal silver . Springer-Verlag, 2013, ISBN 978-3-662-11400-1 , p. 86 ( limited preview in Google Book search).

[William_M._Haynes-2] William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 85 ( limited preview in Google Book search).

[NV-3] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[4] Chemical Thermodynamics of Selenium . Elsevier, 2005, ISBN 978-0-08-045751-2 , pp. 461 ( limited preview in Google Book search).

[DOI10.3891/acta.chem.scand.48-0857-5] Pertti Okkonen, Lassi Hiltunen u. a .: Crystal Structure and Thermal Stability of Silver Selenite .. In: Acta Chemica Scandinavica. 48, 1994, p. 857, doi : 10.3891 / acta.chem.scand.48-0857 .

[Daryl_Ann_Doane,_Adam_Heller-6] Daryl Ann Doane, Adam Heller: Proceedings of the Symposium on Inorganic Resist Systems . Electrochemical Society, 1982, pp. 159 ( limited preview in Google Book search).

[M._Satake_&_S.A._Iqbal-7] M. Satake & SA Iqbal: Chemistry Of P-Block Elements . Discovery Publishing House, 2003, ISBN 81-7141-268-8 , pp. 209 ( limited preview in Google Book search).

[DOI10.1021/cg034228k-8] Sudip K. Batabyal, C. Basu et al. a .: Micropatterns of Ag2Se Nanocrystals. In: Crystal Growth & Design. 4, 2004, p. 509, doi : 10.1021 / cg034228k .

[9] Houben-Weyl Methods of Organic Chemistry Vol. IX, 4th Edition Sulfur, Selenium, Tellurium Compounds . Georg Thieme Verlag, 2014, ISBN 3-13-180544-7 , p. 1122 ( limited preview in Google Book search).