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A persulfate (sometimes known as peroxysulfate or peroxodisulfate)^[1] is a compound containing the anions SO²⁻
₅ or S
₂O²⁻
₈.^[2] The anion SO²⁻
₅ contains one peroxide group per sulfur center, whereas in S
₂O²⁻
₈, the peroxide group bridges the sulfur atoms. In both cases, sulfur adopts the normal tetrahedral geometry typical for the S(VI) oxidation state. These salts are strong oxidizers.^[3]^[4]

Ions

Peroxomonosulfate ion, SO²⁻
₅
Peroxydisulfate S
₂O²⁻
₈

Acids

Peroxymonosulfuric acid (Caro's acid), H₂SO₅
Peroxydisulfuric acid, H₂S₂O₈

Example salts

Sodium peroxomonosulfate, Na₂SO₅
Potassium peroxymonosulfate, KHSO₅
Sodium persulfate (sodium peroxydisulfate), Na₂S₂O₈
Ammonium persulfate (ammonium peroxydisulfate), (NH₄)₂S₂O₈
Potassium persulfate (potassium peroxydisulfate), K₂S₂O₈

References

^ Shafiee, Saiful Arifin; Aarons, Jolyon; Hamzah, Hairul Hisham (2018). "Electroreduction of Peroxodisulfate: A Review of a Complicated Reaction". Journal of the Electrochemical Society. 165 (13): H785–H798. doi:10.1149/2.1161811jes. S2CID 106396614.
^ Harald Jakob, Stefan Leininger, Thomas Lehmann, Sylvia Jacobi, Sven Gutewort. "Peroxo Compounds, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_177.pub2. ISBN 978-3527306732.{{cite encyclopedia}}: CS1 maint: multiple names: authors list (link)
^ "Geo-Cleanse International". Geocleanse.com. Retrieved 2012-06-13.
^ Wacławek, S., Lutze, H. V., Grübel, K., Padil, V.V.T., Černík, M., Dionysiou, D.D. (2017) (2017-12-15). "Chemistry of persulfates in water and wastewater treatment: A review". Chemical Engineering Journal. 330: 44–62. doi:10.1016/j.cej.2017.07.132.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

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[1] Shafiee, Saiful Arifin; Aarons, Jolyon; Hamzah, Hairul Hisham (2018). "Electroreduction of Peroxodisulfate: A Review of a Complicated Reaction". Journal of the Electrochemical Society. 165 (13): H785–H798. doi:10.1149/2.1161811jes. S2CID 106396614.

[Ullmann-2] Harald Jakob, Stefan Leininger, Thomas Lehmann, Sylvia Jacobi, Sven Gutewort. "Peroxo Compounds, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_177.pub2. ISBN 978-3527306732.{{cite encyclopedia}}: CS1 maint: multiple names: authors list (link)

[3] "Geo-Cleanse International". Geocleanse.com. Retrieved 2012-06-13.

[4] Wacławek, S., Lutze, H. V., Grübel, K., Padil, V.V.T., Černík, M., Dionysiou, D.D. (2017) (2017-12-15). "Chemistry of persulfates in water and wastewater treatment: A review". Chemical Engineering Journal. 330: 44–62. doi:10.1016/j.cej.2017.07.132.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)

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+{{Short description|Class of chemical compounds}}
-The term '''persulfate''' (sometimes known as peroxysulfate) refers to ions or compounds containing the anions {{chem|SO|5|2−}} or {{chem|S|2|O|8|2−}}.<ref name = Ullmann>{{Ullmann | title = Peroxo Compounds, Inorganic | author =  Harald Jakob, Stefan Leininger, Thomas Lehmann, Sylvia Jacobi, Sven Gutewort | doi = 10.1002/14356007.a19_177.pub2}}</ref>  The anion {{chem|SO|5|2−}} contains one peroxide group per sulfur center, whereas in {{chem|S|2|O|8|2−}}, the peroxide group bridges the sulfur atoms.  In both cases, sulfur adopts the normal tetrahedral geometry typical for the S(VI) oxidation state. These salts are strong oxidizers.<ref>{{cite web|url=http://geocleanse.com/persulfate.asp |title=Geo-Cleanse International |publisher=Geocleanse.com |date= |accessdate=2012-06-13}}</ref><ref>{{cite web|url=https://www.sciencedirect.com/science/article/pii/S1385894717312718 |author =  Wacławek, S., Lutze, H. V., Grübel, K., Padil, V.V.T., Černík, M., Dionysiou, D.D. (2017) |title=Chemistry of persulfates in water and wastewater treatment: A review. |doi = 10.1016/j.cej.2017.07.132}}</ref>
+A '''persulfate''' (sometimes known as peroxysulfate or peroxodisulfate)<ref>{{Cite journal|last1=Shafiee|first1=Saiful Arifin|last2=Aarons|first2=Jolyon|last3=Hamzah|first3=Hairul Hisham|year=2018|title=Electroreduction of Peroxodisulfate: A Review of a Complicated Reaction|url=http://m.jes.ecsdl.org/content/165/13/H785.abstract?sid=3ddef67b-7f3b-49fa-93a7-c6eee812bfe4|journal=Journal of the Electrochemical Society|volume=165|issue=13|pages=H785–H798|doi=10.1149/2.1161811jes|s2cid=106396614 |doi-access=free}}</ref> is a compound containing the [[anion]]s {{chem|SO|5|2−}} or {{chem|S|2|O|8|2−}}.<ref name = Ullmann>{{Ullmann | title = Peroxo Compounds, Inorganic | author =  Harald Jakob, Stefan Leininger, Thomas Lehmann, Sylvia Jacobi, Sven Gutewort | doi = 10.1002/14356007.a19_177.pub2}}</ref>  The anion {{chem|SO|5|2−}} contains one [[peroxide]] group per sulfur center, whereas in {{chem|S|2|O|8|2−}}, the peroxide group bridges the sulfur atoms.  In both cases, sulfur adopts the normal tetrahedral geometry typical for the S(VI) oxidation state. These salts are strong oxidizers.<ref>{{cite web|url=http://geocleanse.com/persulfate.asp |title=Geo-Cleanse International |publisher=Geocleanse.com |access-date=2012-06-13}}</ref><ref>{{cite journal|author =  Wacławek, S., Lutze, H. V., Grübel, K., Padil, V.V.T., Černík, M., Dionysiou, D.D. (2017) |title=Chemistry of persulfates in water and wastewater treatment: A review. |journal =  Chemical Engineering Journal |volume =  330 |pages =  44–62 |doi = 10.1016/j.cej.2017.07.132|date =  2017-12-15 }}</ref>
 ==Ions==
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 {{reflist}}
-[[Category:Persulfates|*]]
+{{Persulfates}}
-[[Category:Sulfur oxoanions]]
+{{Authority control}}
+[[Category:Persulfates| ]]
+[[Category:Sulfur oxyanions]]
 [[Category:Preservatives]]
+{{Inorganic-compound-stub}}