Nickel selective dioxime-containing polyurethane foams

Details Nickel selective dioxime-containing polyurethane foams Nickel selective dioxime-containing polyurethane foams

1977-10-25

1979-02-13

Schofer, Joseph L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

521 29, 521 55, 210 38B, B01D 1508

Patent

active

041395026

ABSTRACT:
Extraction means for the selective extraction of nickel from aqueous solutions thereof, being an open-pore polyurethane foam supporting in its matrix a dioxime of the general formula ##STR1## wherein R and R' each designate an alkyl, aryl, aralkyl, alkaryl or a heterocyclic group, which may be substituted by a non-interfering substituent, or R and R' may form together a ring-structure so as to form cyclohexanedione glyoxime; optionally together with a plasticizer.

REFERENCES:
patent: 3957504 (1976-05-01), Ho et al.
Talanta, vol. 22, No. 8, pp. 699-705, 1975, Aug., Regaman Press, Great Britain Braun et al.
Talanta, vol. 22, pp. 453-458, (1975), D. C. Gregoire et al.

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