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Catalytic Activity of Dual Metal Cyanide Complex in Multi-component Coupling Reactions（图）
dual metal cyanide multi-component coupling reaction acid catalyst
2013/10/11
Several dual metal cyanide catalysts were prepared from potassium ferrocyanide, metal chloride (where metal = Zn2+, Mn2+, Ni2+, Co2+ and Fe2+), t-butanol (complexing agent) and PEG-4000 (co-complexing...
Photocatalytic gold recovery from spent cyanide plating bath solutions
Photocatalysis Gold recovery Cyanide Plating bath
2009/7/28
A new procedure is presented for the photocatalytic
treatment of the highly stable gold-cyanide
complexes remaining in spent plating bath solutions.
The process allows the recovery of gold by
phot...