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Electrochemical Sensing of Heavy Metal Ions based on Monodisperse Single-crystal Fe3O4 Microspheres燕昊伟,胡双启School of Environment and Safety Engineering, North University of China摘 要:Single-crystal Fe3 O4 with monodisperse microspheres structure has been used for individual electrochemical detection of heavy metal ions. Morphology and structure......
Enhanced photoluminescence property of sulfate ions modified YAG:Ce3+ phosphor by co-precipitation method阙美丹1,阙文修1,周婷1,邵金友1,孔令兵21. Electronic Materials Research Laboratory,International Center.... School of Materials Science and Engineering,Nanyang Technological University摘 要:The sulfate ions modified YAG:Ce3+ phosphors were prepared by co-precipitation......
Removal of cadmium and zinc ions from aqueous solution by living Aspergillus niger LIU Yun-guo(刘云国)1, FAN Ting(樊 霆)1, ZENG Guang-ming(曾光明)1, LI Xin(李 欣)1, TONG Qing(童 庆)1, 2, YE... was investigated. Effects of pH, initial concentration, contact time, temperature and agitation rate on the biosorption of Cd(Ⅱ) and Zn(Ⅱ) ions were studied. The optimum adsorption pH value for Cd......
电感耦合等离子体原子发射光谱法测定高纯硒中18种杂质元素熊晓燕1,张永进2,王津1(1.广东省广州市广州有色金属研究所分析测试中心2.中南大学 材料科学与工程学院,湖南长沙 410083)摘 要:高纯硒采用硝酸溶解并蒸干后于320℃的挥发炉中,挥发40 min,用盐酸溶解残渣后,采用电感耦合等离子体原子发射光谱(ICP-AES)法测定Al,As,Bi,Cd,Co,Cr等18种共存杂质元素的含量.考察了溶解酸的种类,主体硒的挥发条件,硒的残存量及干扰情况,分析谱线的选择等.方法检出限小于30 ng/g,用于测定高......
要:Eu(btc) metal organic frameworks(MOFs) were prepared by co-precipitation method via 1,2,4-benzenetricarboxylic acids(H3 btc) connecting with Eu3+ ions... to the surface morphology of products,and the compact spherical one performs stronger emission intensity.The sensing ability of Eu(btc) MOFs to11 kinds of metal ions was investigated and a prominent quenching......
MODIFICATION OF SURFACE MECHANICAL PROPERTIES OF POLYCARBONATE BY B+ AND O+ IONS IMPLANTATION Y.H.Lu1,C.C.Sun2,S.Q.Zhou2,S.D.YAO2,Q.Zhao3,C.Sun2,A.Vantomme3,L.HUANG1,G.Langouche3 (1.College..., B-3001 Leuven, Belgium) Abstract:By implanting B+ and O+ ions respectively into polycarbonate (PC) plates, the sur-face mechanical properties of PC have been improved. Measurement by Nano Indenter......
, and the greatest adsorption capacity of Pb2+ is 116 mg/g at 35 ℃. Key words: fly ash; mesoporous sieves; static adsorption experiment; Pb(Ⅱ) ions 粉煤灰是以煤为燃料火力发电厂排放的固体废弃物,是一种由碳,玻璃微珠及其他物质组成的混合物[1].由于洁净煤技术的发展,煤..., 2011, 31(6): 1241-1247. LI Ronghua, YUE Qingling, MENG Zhaofu, et al. Thermodynamic study of Cd(Ⅱ) ions adsorbed by amino- modified SBA-15 ordered mesoporous particles[J]. Acta Scientiae Circumstantiae......
ARTICLE J. Cent. South Univ. (2019) 26: 422-429 DOI: https://doi.org/10.1007/s11771-019-4014-x Regional-scale investigation of salt ions distribution characteristics in bauxite residue: A case... of salt ions in bauxite residue is one of the major issues to stimulate soil formation to support plant growth. 21 residue samples were collected and the related parameters including exchangeable cations......
was performed to investigate the effects of magnetic field on sodium, magnesium and calcium ions in chloride solutions. According to the research on pair correlation function gij(r), mean square displacement LMSD and diffusion coefficient D, the changes of microstructural and dynamic properties were studied. The results show that with the effect of magnetic field, the interaction between ions and water......
Luminescence properties of YAl3(BO3)4 phosphors doped with Eu3+ ions李桂芳,曹全喜,李智敏,黄云霞摘 要:<正>YAl3 (BO3)4: Eu3+ phosphors were prepared... of Eu3+ ions of 0, 2, 5, 8 and 10 mol% were studied and their luminescent properties at room temperature were discussed. The excitation spectrum of Y0.95Eu0.05Al3(BO3)4 was composed of a broad band......
