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Ammonium Metatungstate Q&A

1.Ammonium metatungstate CAS No.?
12028-48-7

2.Ammonium metatungstate molecular weight?
2974.3

3. Ammonium metatungstate melting point？
100℃

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?
[(NH₄)₆(H₂W₁₂O₄₀)*XH₂O]

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?
+6

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

9.W content in ammonium metatungstate?
66.76%

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

11.Color of ammonium metatungstate solution?
Transparent

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