The production process of ammonium metatungstate (AMT) mainly includes the following methods:
Sodium tungstate method (sodium tungstic acid method):
Sodium tungstate reacts with nitric acid to form sodium tungstate solution.
Sodium tungstate solution reacts with ammonia water to generate ammonium metatungstate.
Ammonium metatungstate is purified by crystallization, filtration, drying and other process steps.
Ammonium tungstate method:
Sodium tungstate reacts with nitric acid to form sodium tungstate solution.
Sodium tungstate solution reacts with ammonia water to form ammonium tungstate hydroxide precipitate.
Ammonium metatungstate is obtained by precipitation of ammonium tungstate hydroxide through drying, calcination and other process steps.
More details of ammonium metatungstate product, please visit website: http://ammonium-metatungstate.com/
Please contact CHINATUNGSTEN for inquiry and order of ammonium metatungstate:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
