Polisulfuro
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thumb|220px|The compound Titanocene pentasulfide| is an example of a polysulfide complex Polysulfides are a class of chemical compounds derived from anionic chains of sulfur atoms. There are two main classes of polysulfides: inorganic and organic. The inorganic polysulfides have the general formula . These anions are the conjugate bases of polysulfanes . Organic polysulfides generally have the formulae , where R is an alkyl or aryl group.
In the Vinony graph
Within Vinony's link graph, Polisulfuro is referenced by 102 other articles, and connects out to water, sulfur and International Standard Book Number.
It is catalogued under topics including Anions, Corrosion and Inorganic polymers.
Its subject is documented across 18 Wikipedia language editions.
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- Category:Polysulfides
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Sources (2)
via Wikidata · CC0
Article · Español
Los polisulfuros son sales que contienen aniones lineales del tipo Sn2–.Se forman por ataque del anión sulfuro sobre el azufre elemental (S8) o por oxidación de sulfuros uniéndose de esta manera dos átomos de azufre. Históricamente los polisulfuros de amonio (NH4)2Sn jugaron un papel de cierta importancia en la marcha de los cationes permitiendo la precipitación selectiva de un grupo de metales. También se ha utilizado la reacción de polisulfulros con cloruros de azufre (por ejemplo, el diclorodisulfano Cl–S–S–Cl) en la obtención de ciclos grandes de azufre (ciclo-Sm; m > 8). El color azul del lapizlázuli se atribuye a radicales de polisulfanos.
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