Purification of solutions of gallium values by liquid/liquid ext

Details Purification of solutions of gallium values by liquid/liquid ext Purification of solutions of gallium values by liquid/liquid ext

1981-11-30

1983-01-18

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

75101BE, 423139, C01G 1500

Patent

active

043691668

ABSTRACT:
Highly pure (>99.99%) aqueous solutions of gallium chloride are obtained by (i) liquid/liquid extracting an aqueous hydrochloric acid solution of gallium values with an organic phase which comprises an alcohol extractant, (ii) separating the organic phase from the aqueous phase, (iii) selectively washing said organic phase by intimately contacting same with water or with an aqueous solution of hydrochloric acid, (iv) next transferring the purified gallium values from said organic phase into an aqueous solution thereof, and (v) thence separating said organic phase from said resulting aqueous phase, whereby said aqueous phase comprises pure gallium chloride.

REFERENCES:
patent: 3971843 (1976-07-01), Helgorsky et al.
patent: 4169130 (1979-09-01), Helgorsky et al.
patent: 4193968 (1980-03-01), Sullivan et al.
patent: 4241029 (1980-12-01), Helgorsy et al.
Ivanova et al., "Chemical Absts.", vol. 80, 1974, #87881m.

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