AMT 英文简介_高迪英文简介

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Ammonium Metatungstate(AMT)

Formula:(NH4)6H2W12O40.nH2O

(NH4)6H2W12O40.XH2O

(NH4)6H2W12O40

Physical & Chemical Properties ：

> White or slightly yellow crystalline powder

> Soluble in water

Applications:

AMT is used to manufacture a variety of catalysts in petrochemical industry and other tungsten compounds.It is also the main raw material of tungsten-based catalysts in refinery.Production Technology:

AMT can be made in different way, mainly:

1.Ammonium tungstate solution as raw material, solvent extraction or ion exchange method for AMT solution firstly, then evaporation and crystallization for AMT powder

2.Sodium tungstate solution as raw material, solvent extraction method

forAMT solution, then evaporation and crystallization for AMT powder

3Heating and diociating APT to make some ammonium and crystal water lo, then getting water-soluble AMT, andevaporation & crystallization for AMT powder

4.APT acid neutralization to PH3-4 in water to make the APT to be AMT solution, then evaporation and crystallization for AMT powder