Monthly Archives: July 2012

NICKEL CARBONYL ANALYZER

Canadian Patent Application No.:  CA 2525869 Abstracts Process and apparatus for measuring the concentration of nickel carbonyl in a gaseous nickel carbonyl sample comprising (a) mixing the nickel carbonyl sample with ozone and carbon monoxide under dynamic flow to produce a gaseous mixture with resultant chemiluminescence and photon emission signal; (b) detecting the strength of the signal; and (c) correlating the signal strength with calibrated nickel carbonyl concentration values; the improvement including premixing the ozone … Continue reading

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PRODUCTION OF ULTRA FINE TRANSITION METAL POWDERS

Canadian Patent Application No.:  CA 2500077 Abstracts A method of preparing ultra fine metal powder comprising pyrolizing a complex metal compound of the metal is in a valence state selected from 0 and 1, in an inert solvent at an effective temperature to produce the ultra fine powder, and removing the powder from the inert solvent.  

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PURIFICATION OF PGM SPECIES FROM MIXTURES THEREOF

Canadian Patent Application No.:  CA 2552292 Abstracts A process for the production of a purified PGM selected from the group consisting of platinum and rhodium from an impure PGM source, the process comprising (a) obtaining an anhydrous PGM halide from the impure PGM source; (b) treating the PGM halide with carbon monoxide at an effective temperature; pressure and time to form the PGM carbonyl halide; and (c)(i) wherein the PGM is platinum, heating the … Continue reading

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METHOD OF TREATING METALLIFERROUS MATERIALS

Canadian Patent Application No.:  CA 2722707 Abstracts There is provided a process of treating a metalliferrous material including at least one metal material fraction. Each one of the at least one metal material fraction includes a respective metal, wherein the respective metal is a transition metal. Each one of the at least one metal material fraction also includes a respective first operative material fraction and a respective second operative material fraction. The respective first … Continue reading

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