%0 Journal Article %T BEHAVIOUR OF α-NITROSO-β-NAPHTHOL IN HEMATITE FLOTATION %A WANG Wenmei Baotou Research Institute of Rare Earth %A Ministry of Metallurgy Industry %A Baotou %A ChinaYU Yongfu CHEN Quanyuan Changsha Institute of Mining and Metallurgy %A Ministry of Metallurgy Industry %A Changsha %A China engineer %A Baotou Research Institute of Rare Earth %A Ministry of Metallurgical Industry %A Baotou %A China %J 金属学报(英文版) %D 1993 %I %X Based on theoretical calculation of electronegativity of groups of flotation reagent andmethod of infrared adsorption spectroscopy,the collection and adsorption of α-nitroso-β-naphthol in hematite flotation have been studied.The chemical adsorption seems to bepredominant owing to formation of pentacyclic nitrosyl chelate compound by atoms ofnitrosyl bond in α-nitroso-β-naphthol together with Fe(Ⅲ)on hematite surface.Mean-while,the nonuniform multilayer physical adsorption is also occurred. %K α-nitroso-β-naphthol %K hematite %K electronegativity %K chelate %K property %K flotation %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=CBC9ABBC05C5841B44FE45ADBA545463&yid=D418FDC97F7C2EBA&vid=B31275AF3241DB2D&iid=708DD6B15D2464E8&sid=E158A972A605785F&eid=E158A972A605785F&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=0