DK98720C - Fremgangsmåde til udvinding af wolfram ud fra ammoniumparawolframat.

Fremgangsmåde til udvinding af wolfram ud fra ammoniumparawolframat.

Info

Publication number: DK98720C
Authority: DK; Denmark
Prior art keywords: tungstate; ammonium para; recovering tungsten; recovering; tungsten
Prior art date: 1961-07-17

Application number

DK316762A

Other languages

Original Assignee

Philips Nv

Priority date

1961-07-17

Filing date

1962-07-14

Publication date

1964-05-11

1962-07-14 Application filed by Philips Nv filed Critical Philips Nv

1964-05-11 Application granted granted Critical

1964-05-11 Publication of DK98720C publication Critical patent/DK98720C/da

XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 title 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title 1
229910052721 tungsten Inorganic materials 0.000 title 1
239000010937 tungsten Substances 0.000 title 1

DK316762A 1961-07-17 1962-07-14 Fremgangsmåde til udvinding af wolfram ud fra ammoniumparawolframat. DK98720C (da)