Method for removing tin from sodium tungstate solution

Details Method for removing tin from sodium tungstate solution Method for removing tin from sodium tungstate solution

1984-12-07

1985-11-12

Carter, H. T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 56, 423 58, C01G 4100

Patent

active

045527296

ABSTRACT:
A method is disclosed for removing tin from aqueous sodium tungstate solutions. The method involves adding ammonia to the sodium tungstate solution, adjusting the pH to above about 9.5 with an acid, adding magnesium chloride to form insoluble material containing the major portion of the tin, silicon, arsenic and phosphorus and a resulting sodium tungstate solution containing the major portion of the tungsten, and separating the insoluble material from the resulting solution.

REFERENCES:
patent: 1399705 (1921-12-01), Ekeley et al.
patent: 4311679 (1982-01-01), Queneau et al.
patent: 4320094 (1982-03-01), Menashi et al.
patent: 4448755 (1984-05-01), Scheithauer et al.

Affiliated with

Also associated with

Rating

Method for removing tin from sodium tungstate solution does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for removing tin from sodium tungstate solution, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for removing tin from sodium tungstate solution will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1879145