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Ammonium Metatungstate Q&A

1.Ammonium metatungstate CAS No.?

2.Ammonium metatungstate molecular weight?

3. Ammonium metatungstate melting point?

4.Ammonium metatungstate decomposition temperature?
AMT will decompose into ammonium tungsten bronze(ATB) under 260~350℃, under 550~650℃, it will decompose into WO3.

5. Ammonium metatungstate chemical formula?

6.Ammonium metatungstate manufacturer?
Chinatungsten Online has been specialized in manufacturing ammonium metatungstate for over 20 years. Any inquiry of the product is welcomed.

7.Valance state of W in ammonium metatungstate?

8.Is ammonium metatungstate toxic?
Ammonium metatungstate has hypertoxicity, it may do harm to environment.

9.W content in ammonium metatungstate?

10.Ammonium metatungstate solubility?
Under 25℃, the solubility is 300g WO3/100ml H2O.

11.Color of ammonium metatungstate solution?

12.Difference between AMT production adding nitric acid or not?
The purpose for adding nitric acid during AMT production is to avoid AMT solution being returned to APT, AMT production without nitric acid has higher WO3 content (over 91.5%).

If you have any interest in ammonium metatungstate, please feel free to contact us by email: sales@chinatungsten.com or by telephone:+86 592 5129696.


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1.Tungsten Trioxide

2.Tungsten Oxide