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cadmium separation from zinc sulphide

It was composed of about 80 zinc sulfide ZnS and 20 cadmium sulfide CdS the concentration of copper or silver in ZnCdS was about 0005 Magnesium silicate or some other silicate was added at 12 to facilitate the dispersion of ZnCdS

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    It was composed of about 80 zinc sulfide ZnS and 20 cadmium sulfide CdS the concentration of copper or silver in ZnCdS was about 0005 Magnesium silicate or some other silicate was added at 12 to facilitate the dispersion of ZnCdS

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    US20080274026A1 US11928229 US92822907A US2008274026A1 US 20080274026 A1 US20080274026 A1 US 20080274026A1 US 92822907 A US92822907 A US 92822907A US 2008274026 A1 US2008274026 A1 US 2008274026A1 Authority US United States Prior art keywords sulfide zinc aqueous solution ions method Prior art date 20061030 Legal status The legal status is

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    Cadmium and its compounds Substances restricted under

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