Purification of APT
Directed to a process for producing a tungsten product of enhanced purity from ammonium paratungstate (APT) with a minimum number of processing steps which comprises mixing the APT with an ammonium solution, autoclaving the mixture at a temperature above the boiling point thereof to dissolve the APT...
Saved in:
Main Authors | , , |
---|---|
Format | Patent |
Language | English |
Published |
16.10.1990
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | Directed to a process for producing a tungsten product of enhanced purity from ammonium paratungstate (APT) with a minimum number of processing steps which comprises mixing the APT with an ammonium solution, autoclaving the mixture at a temperature above the boiling point thereof to dissolve the APT and recrystallizing APT from the solution to yield an APT product of enhanced marketability. |
---|---|
Bibliography: | Application Number: US19890412062 |