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Online since: April 2022
Authors: Guo Qian Hu, Wu Kang Wang, Rong Hui Yuan, Xiao Ying Yan, Nai Fei Zhong
The structure, particle size and composition of this adsorbent were measured using XRD, TEM and XPS.
The average particle size of adsorbent was around 107 nm, showing an obvious porous structure.
Roberts, Electrochemically synthesized GIC-based adsorbents for water treatment through adsorption and electrochemical regeneration, Journal of Industrial & Engineering Chemistry 20 (2014) 2200-2207
Su, Monitoring of total volatile organic compound emissions from plastic runway surfaces, Toxicological and Environmental Chemistry 101 (2019) 215-227
Gwatidzo, Removal of lead(II) and copper(II) ions from aqueous solution by baobab (Adononsia digitata) fruit shells biomass, IOSR Journal of Applied Chemistry 5 (2013) 43-50
Online since: July 2017
Authors: Johnson Kwame Efavi, Abu Yaya, Elsie Bowen-Dodoo, Lois Afua Damptey, Richard Yeboah Abrokwah
The band at 1045cm-1 in SBA-15 corresponds to Si-O-H bonds and symmetric stretching vibration (Si-O-Si)sym of tetrahedral SiO4 structure units [19].
Acknowledgement This work was supported by the Royal Society of Chemistry, Leverhulme African Award Phase II, through Professor Karen Wilson Aston University, Birmingham, U.K.
Dorcas Osei Sarfo, Department of Chemistry University of Ghana for all her support in terms of logistics these investigations.
Sinfelt,in: “Ruthenium-copper: a model bimetallic system for studies of surface chemistry and catalysis,” Int.
Djambazov, in: “Structure and properties of functionalized porous silica hybrid materials,” Open J.
Online since: December 2011
Authors: De Cai Li, Hong Chao Cui, Cui Wang
According to different monomers and polymerization methods, we can obtain PFPE with 4 different molecular structures, namely K, Y, Z and D [5].
Ethers are characterized by containing the C-O-C structure, have asymmetric and symmetric stretching vibrations, located in the fingerprint region.
Therefore, from the above analysis, the samples containing C=O, C-F, R-O-R’, consistent with the expected structure.
(Chemistry Industry Press, China. 1994),P125-127(in Chinese)
Sherman Hsu, ph.D., Infrared Spectroscopy, chapter 15 of Handbook of instrumental techniques for analytical chemistry.
Online since: January 2013
Authors: Han Zhou Sun, Yu Xiong Wu, Jin Hua Zhou, Hai Li Gao
The structure of target molecular was confirmed by LC-MS and 1H NMR spectrum.
At present, because 7’s structure constitutes the skeleton of forth generation of antibiotic cefpirome, it has been of great interest pharmacologically following the dramatically development of cefpirome [7].
Curran: Journal of Medicinal Chemistry.
Cates: Journal of Medicinal Chemistry.
Gabriele: Journal of Organic Chemistry.
Online since: October 2013
Authors: Li Hua Wang, Zhi Xiang Ji
China aemail: taixs@wfu.edu.cn Keywords: 1, 5-Naphthalenedisulfonate; Na (I) complex; Crystal structure Abstract.
The complex formed one dimensional chain structure through intramolecule and intermolecule hydrogen bonds and π-π stacking.
Introduction During the past few decades, the modular approach to metal-organic framework structures (MOFs) has been an active area of research in coordination chemistry [1-3].
The structure was solved by direct methods and refined by full-matrix least-squares techniques on F2.
The structure was solved by direct methods using SHELXL-97 [5] and expanded using Fourier techniques.
Online since: December 2010
Authors: Hui Yang, Zhan Shen Zheng, Pei Qi Yan, Rui Jiao Li
The sol-gel method was chosen in the experiment to make nano-structured coatings on the ceramics.
People found that there were not only hydrophobic chemicals, more importantly, the micro-scale micro-roughness on the structure to form such structure.
Firstly, it needs to build nano-structured surface on the solid surface.
In Figure 3 and 4, it can be seen that the structure of the convex formed from only a single ratio materials is more uniform, while the structure is only one-dimensional space, which makes the contact of water droplets on the surface not be point contact.
References: [1] Physical Chemistry Research Section of Tianjing University: Physical chemistry, 4th issue (Higher Education Press, China 2001) [2] X.
Online since: December 2012
Authors: Gunawan Gunawan, I. Sopyan, A. Naqshbandi, S. Ramesh
Moreover it is difficult to incorporate Zn2+ into HA structure using these mechanisms [8].
Weiss: Materials in Medicine Vol. 14 (2003), p. 195-200 [2] Elliott J.C. in: Structure and chemistry of the apatites and other calcium orthophosphates.
Studies in inorganic chemistry, Elsevier, Amsterdam Vol. 18 (1994) [3] A.
Valentine, in: Bioinorganic Chemistry, University Science Books, CA, (1994), p. 1–35 [5] Z.
Tampieri: Materials Chemistry and Physics Vol. 78 (2003), p. 816–824 [10] F.
Online since: February 2011
Authors: Yong Ming Zhu, Hui Li Hu, Werner Weppner
Recent Progress on Carbon Coated Lithium Titanate Yongming Zhu1,a, Huili Hu2,b And Werner Weppner3,c 1Faculty of Applied Chemistry, Harbin Institute of Technology in Weihai, D-264209, Weihai China 2Faculty of Applied Chemistry, Harbin Institute of Technology in Weihai, D-264209, Weihai China 3Institute of Organic Chemistry, Christian-Albrechts University, Max-Eyth-Str. 2, D-24118, Kiel, Germany akielming@hotmail.com, bwhhhl@126.com, cweppner@ac.uni-kiel.de Keywords: Recent Progress; Carbon Coated; Lithium Titanate Abstract.
Structure and lattice properties The crystal structure of Li4Ti5O12 is shown in Fig. 1[8].
The structure is then denoted as [Li2]16c[Li1/3Ti5/3]16dO4.
Crystal structure of Li4Ti5O12.
Physics and Chemistry of Solids, 69(5-6), 1454-1456 (2008) [9] Scharner, S., Weppner, W., Schmid-Beurmann, P.
Online since: February 2014
Authors: Oskar Hasdinor Hassan, F.W. Badrudin, M.S.A. Rasiman, M.F.M. Taib, N.H. Hussin, M.Z.A. Yahya
Among this flurosulphate family, the best and interesting combination is LiFeSO4F because of its electrochemical performance and stable crystal chemistry.
The study reported that LiFeSO4OH shows in a good performance with 0.9 Li+ ion that can be de-intercalated from the structure as well as 0.7 Li+ ion can be intercalated back into the structure.
Moreover, the electrochemical and physical properties of electrode materials at microscopic scale are strongly correlated to their electronic structure.
Jumas, Chemistry of Materials. 24 (2012) 1472–1485
Meng, et al., The Journal of Physical Chemistry C. 115 (2011) 7032–7037.
Online since: December 2012
Authors: Cai Xia Li, Danyu Jiang, Qiang Li, Jun Guo
The as-obtained Cu2SnS3 QDs and composites’ phase structures were analyzed and characterized by powder X-ray diffraction (XRD), and the results indicated that the size of the Cu2SnS3 QDs in the composites were less than that of the separate Cu2SnS3 QDs.
Three strong peaks centered at about 28.5°, 47.3°, and 55.9° were attributed to the (111), (220), and (311) planes of the cubic structure phase of Cu2SnS3 [13].
Disalvo, Solid-State Chemistry: A Rediscovered Chemical Frontier, Science. 247 (1990) 649-655
Qian, Synthesis, Characterization, and Properties of Nanocrystalline Cu2SnS3, Journal of Solid State Chemistry. 153 (2000) 170-173 (4)
Wada, Crystal structure and twinning of monoclinic Cu2SnS3, Mater.