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・ Sodium thiocyanate
・ Sodium thiopental
・ Sodium thiosulfate
・ Sodium triacetoxyborohydride
・ Sodium triethylborohydride
・ Sodium trifluoromethanesulfinate
・ Sodium trimetaphosphate
・ Sodium triphosphate
・ Sodium tungstate
・ Sodium cocoate
・ Sodium cyanate
・ Sodium cyanide
・ Sodium cyanoborohydride
・ Sodium cyclamate
・ Sodium cyclopentadienide
Sodium decavanadate
・ Sodium dehydroacetate
・ Sodium diacetate
・ Sodium dichloroisocyanurate
・ Sodium dichromate
・ Sodium diethyldithiocarbamate
・ Sodium dihydrogen arsenate
・ Sodium dithionate
・ Sodium dithionite
・ Sodium dithiophosphate
・ Sodium diuranate
・ Sodium dodecyl sulfate
・ Sodium dodecylbenzenesulfonate
・ Sodium erythorbate
・ Sodium ethoxide


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Sodium decavanadate : ウィキペディア英語版
Sodium decavanadate

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Sodium decavanadate (Na6()) is an inorganic compound. It is the sodium salt of the decavanadate anion, ()6−. Decavanadate is unique among vanadates in that it forms an orange aqueous solution. Numerous decavanadate salts and derivatives have been isolated and studied since 1956 when it was first characterized.
==Preparation==
The preparation of decavanadate is achieved by acidifying an aqueous solution of vanadate.〔
:10 Na3()·nH2O + 24 HOAc → Na6()·18 H2O + 24 NaOAc
The formation of decavanadate is optimized by maintaining a pH range of 4–7. The product can be purified with recrystallization in water. This synthesis avoids the introduction of foreign cations, except H+. Otherwise, a variety of mixed-cation decavanadates will form. Typical side products include metavanadate, (), and hexavanadate, ()2−, ions.〔

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