C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
53/375, 260/591.
C01G 3/00 (2006.01) C22B 3/30 (2006.01)
Patent
CA 1056855
ABSTRACT OF THE DISCLOSURE 5-Heptl-2-hydroxybenzaldoximes especially in which the heptyl group is attached to the benzene ring through a tertiary carbon atom and particularly mixtures of such aldoximes are effective as extractants for metals such as copper from aqueous solutions. These aldoximes have a more rapid rate of metal transfer from aqueous to organic phase, and vice versa, than other alkylhydroxybenzaldoximes. The benzaldoximes may be prepared from the corresponding aldehydes by reaction with hydroxylamine.
236719
Ackerley Norman
Johnson David H.
Mack Peter A.
Imperial Chemical Industries Limited
Na
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