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of removing molybdenum by moving packed bed and fluidized bed ion-exchange in a factory was described. The data showed that the Mo removal efficiency is above 99%, and the Mo content in APT (Ammonium Paratungstate) is controlled steadily below 18关键词:......
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Binding tendency with oligonucleotides and cell toxicity of cetyltrimethyl ammonium bromide-coated single-walled carbon nanotubes YAN Xue-bin1, 2, GU Yong-hong2, HUANG Dong2, GAN Li2, WU... with small interfering RNA oligonucleotides and cytotoxicity of cetyltrimethyl ammonium bromide (CTAB)-coated single-walled carbon nanotubes (SWNTs) were studied. The field emission scanning electron......
, and the stirring time should be controlled within 1 h. The ammonium chloride concentration should be controlled within m(NH4Cl)?m(glycerin)=0.15. Key words: refined indium; chemical purifying process; glycerin; potassium iodide; ammonium chloride 半导体及薄膜太阳电池等材料对金属铟的纯度 要求很高......
Leaching hydrodynamics of weathered elution-deposited rare earth ore with ammonium salts solution何正艳1,张臻悦2,池汝安2,徐志高1,余军霞2,吴明1,白如钰11. Key Laboratory of Catalysis and Materials Science of the State...-deposited rare earth(RE) ores, the effects of ammonium concentration, temperature, particle size and porosity on the permeability were discussed in detail with(NH4)2SO4, NH4Cl and NH4NO3 as the leaching......
Leaching hydrodynamics of weathered elution-deposited rare earth ore with ammonium salts solution何正艳1,张臻悦2,池汝安2,徐志高1,余军霞2,吴明1,白如钰11. Key Laboratory of Catalysis and Materials Science of the State...-deposited rare earth(RE) ores, the effects of ammonium concentration, temperature, particle size and porosity on the permeability were discussed in detail with(NH4)2SO4, NH4Cl and NH4NO3 as the leaching......
Swelling of clay minerals in ammonium leaching of weathered crust elution-deposited rare earth oresZhen-Yue Zhang1,Zheng-Yan He1,Fang Zhou2,Cheng-Bin Zhong2,Ning-Jie Sun2,Ru-An Chi1,21. School... increasing. Moreover, the zeta potential of clay minerals decreases with the solution pH increasing,whereas that increases with the solution concentration increasing in different ammonium solutions......
Solid-phase extraction gold from alkaline cyanide solution with quaternary ammonium surfactantRun-Fang Xie1,Qiu-Fen Hu2,Guang-Yu Yang2,Jing Chen2,Yong-He Zhao1,Zhen Li11. School of Forensic Medicine...) of the quaternary ammonium surfactant [cetytrimethyl ammonium bromide(CTMAB),cetyl pyridine bromide(CPB),benzyl dimethyl dodecyl ammonium chloride(BDMDAC),and dodecyl trimethyl ammonium chloride(DTMAC......
Preparation and Properties of Poly(amidoamine) Dendrimer/Quaternary Ammonium Chitosan Hydrogels何广华,KONG Yahui,郑化,KE Wanwan,CHEN Xiang,YIN Yihua,YI YingSchool of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology摘 要:A novel quaternary ammonium chitosan hydrogel modified by poly(amidoamine)(PAMAM) dendrimer was prepared......
Recovery of valuable metals from a low-grade nickel ore using an ammonium sulfate roasting-leaching processXin-wei Liu 1),Ya-li Feng 1),Hao-ran Li 2),Zhi-chao Yang 1),and Zhen-lei Cai 1) 1) Civil... of Science,Beijing 100190,China摘 要:Metal leaching from a low-grade nickel ore was investigated using an ammonium sulfate roasting-water leaching......