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Author: Subject: Sodium metatungstate
NoFumeHood Guy
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[*] posted on 19-10-2024 at 07:40
Sodium metatungstate


Hello everyone!

Not very long ago I saw a fairly interesting ion: [H2W12O40]6-. I tried searching all over the internet, but couldn't find any relatable method of preparing this compound. Has anyone here tried synthesising it? Is it possible to use [WO4]2- as a reagent?

[Edited on 19-10-2024 by NoFumeHood Guy]
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[*] posted on 20-10-2024 at 21:08


Hi!

This paper, and its references, is perhaps a good starting point:

Solid state chemistry of polytungstic acids and their salts.

In summary, and probably massively over-simplifying:

Electrolyse a sodium tungstate solution, and then add a chloride salt to get the metatungstate you desire.
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[*] posted on 21-10-2024 at 08:36


Here ammonium paratungstate on the page 1713

https://library.sciencemadness.org/library/books/brauer_ocr....

Plus you can find this table useful:



Polytungstates.png - 95kB
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