Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1979-02-05
1981-09-29
Hearn, Brian E.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
423100, 423139, 423DIG14, 423 7, 521 25, 521174, 560156, C01G 904, C01G 305, C01G 5309
Patent
active
042922801
ABSTRACT:
A process for the separation of metals in which a mixture of metal derivatives is converted into anion complexes by means of a complexing anion such as, for example, a halide, thiocyanate, sulphate, nitrate, or the like said anion complexes are bound to a solid, non-soluble polymer, containing oxygen bonded to carbon which is converted into a polyoxonium compound by means of the complexing liquid medium used. The complexes are separated by selective absorption and/or elution over the polymer using suited H.sup.+ ion concentrations and/or complexing anion concentrations.
REFERENCES:
patent: 3725527 (1973-04-01), Yamamura
Braun et al., "Polyurethane Foams and Microspheres in Analytical Chemistry", Analytica Chimica Acta, 99 (1978) pp. 1-36.
Braun et al., "Cellular and Foamed Plastics as Separation Media", Talanta vol. 22 (1975) pp. 699-705.
Bowen "Absorption by Polyurethane Foams; New Method of Separation", J. Chem. Soc. (A) (1970) pp. 1082-1085.
Chemical Abstracts vol. 61 (1964) #2455.
van Engelenburg Bertus
van Wijk Hendrik F.
Hearn Brian E.
Nederlandse Centrale Organisatie voor Toegepastnatuurwetenschapp
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