About: Niobium(V) chloride     Goto   Sponge   NotDistinct   Permalink

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Niobium(V) chloride, also known as niobium pentachloride, is a yellow crystalline solid. It hydrolyzes in air, and samples are often contaminated with small amounts of NbOCl3. It is often used as a precursor to other compounds of niobium. NbCl5 may be purified by sublimation.

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  • Chlorid niobičný (cs)
  • Niob(V)-chlorid (de)
  • Chlorure de niobium(V) (fr)
  • Cloruro di niobio(V) (it)
  • Niobium(V) chloride (en)
  • Chlorek niobu(V) (pl)
  • Niobium(V)chloride (nl)
  • Pentacloreto de nióbio (pt)
  • Хлорид ниобия(V) (ru)
  • 五氯化铌 (zh)
rdfs:comment
  • Chlorid niobičný je anorganická sloučenina se vzorcem NbCl5.Jedná se o žlutou krystalickou pevnou látku. Hydrolyzuje vzdušnou vlhkostí a je často znečištěn malými množstvími , ovšem lze jej přečistit sublimací. (cs)
  • Niob(V)-chlorid ist eine salzartige chemische Verbindung bestehend aus den Elementen Niob und Chlor. (de)
  • Niobium(V) chloride, also known as niobium pentachloride, is a yellow crystalline solid. It hydrolyzes in air, and samples are often contaminated with small amounts of NbOCl3. It is often used as a precursor to other compounds of niobium. NbCl5 may be purified by sublimation. (en)
  • Le chlorure de niobium(V) est un composé minéral à base des éléments chlore Cl et niobium Nb, corps chimique de formule simplifiée NbCl5. (fr)
  • Il cloruro di niobio(V) o pentacloruro di niobio è il composto inorganico di formula NbCl5. In condizioni normali è un solido cristallino giallo deliquescente, che si idrolizza rapidamente a contatto con l'acqua. In questo composto il niobio è nello stato di ossidazione +5. Viene usato come precursore di altri composti di niobio. (it)
  • Niobium(V)chloride is een anorganische verbinding van niobium en chloor, met als brutoformule NbCl5. De stof komt voor als gele kristallen, die oplosbaar zijn in water. Het is een veelgebruikte precursor bij de synthese van andere niobiumverbindingen. (nl)
  • Chlorek niobu(V), NbCl5 – nieorganiczny związek chemiczny, sól kwasu solnego i niobu na V stopniu utlenienia. Chlorek niobu jest w temperaturze pokojowej żółtawym ciałem stałym. Ma silne właściwości higroskopijne. Łatwo ulega hydrolizie. (pl)
  • Хлорид ниобия(V) (пентахлорид ниобия) — это бинарное неорганическое химическое твердое кристаллическое вещество чаще всего желтого цвета. Является солью соляной кислоты и ниобия. Химическая формула NbCl5. (ru)
  • O Pentacloreto de nióbio é um sólido cristalino amarelo. Ele hidrolisa em contato com o ar, e pequenos fragmentos são contaminadas com pequenas quantidades de (NbOCl3). Ele é utilizado somente como um precursor para outros compostos químicos de nióbio. O NbCl5 pode ser purificado pelo processo de sublimação. Em um trabalho publicado em 2006, Maurício Gomes Constantino, professor da USP, descobriu que o pentacloreto de nióbio é um catalisador eficaz na acilação de Fidel-CraftsAcilação. (pt)
  • 五氯化铌(化学式:NbCl5)是制备其他铌化合物的常用原料。室温下它为白色结晶,加热到183°C时转变为黄色,熔融时变为橙红色。易水解为,在潮湿空气中冒烟。 五氯化铌由金属铌与稀释的氯气在300-350°C下反应得到,通过升华纯化。没有碳存在时,五氧化二铌直接氯化生成NbOCl3;有碳存在下反应,反应生成的是NbCl5和NbOCl3的混合物。比较纯的五氯化铌可通过铌的硫化物与氯气反应制备。 (zh)
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  • Niobium(V) chloride (en)
name
  • Niobium chloride (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Niobium-pentachloride-from-xtal-3D-balls.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Niobium_pentachloride_solid.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Niobium-pentachloride-dimer-2D.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Niobium_pentachloride2.jpg
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