Faculty of Science Internal Bylaw of Graduate Studies "Program Curricula and Course Contents" 2016
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Magnetism, Magnetic Properties, Magnetochemistry
Magnetism, Magnetic Properties, Magnetochemistry 1 Magnetism All matter is electronic Positive/negative charges - bound by Coulombic forces Result of electric field E between charges, electric dipole Electric and magnetic fields = the electromagnetic interaction (Oersted, Maxwell) Electric field = electric +/ charges, electric dipole Magnetic field ??No source?? No magnetic charges, N-S No magnetic monopole Magnetic field = motion of electric charges (electric current, atomic motions) Magnetic dipole – magnetic moment = i A [A m2] 2 Electromagnetic Fields 3 Magnetism Magnetic field = motion of electric charges • Macro - electric current • Micro - spin + orbital momentum Ampère 1822 Poisson model Magnetic dipole – magnetic (dipole) moment [A m2] i A 4 Ampere model Magnetism Microscopic explanation of source of magnetism = Fundamental quantum magnets Unpaired electrons = spins (Bohr 1913) Atomic building blocks (protons, neutrons and electrons = fermions) possess an intrinsic magnetic moment Relativistic quantum theory (P. Dirac 1928) SPIN (quantum property ~ rotation of charged particles) Spin (½ for all fermions) gives rise to a magnetic moment 5 Atomic Motions of Electric Charges The origins for the magnetic moment of a free atom Motions of Electric Charges: 1) The spins of the electrons S. Unpaired spins give a paramagnetic contribution. Paired spins give a diamagnetic contribution. 2) The orbital angular momentum L of the electrons about the nucleus, degenerate orbitals, paramagnetic contribution. The change in the orbital moment -
96 Quality Control of Clinker Products by SEM and XRF Analysis Ziad Abu
ACXRI '96 Quality Control of Clinker Products By SEM and XRF Analysis Ziad Abu Kaddourah and Khairun Azizi MY9700786 School of Materials and Mineral Resources Eng., Universiti Sains Malaysia 31750 Tronoh, Perak, Malaysia. ABSTRACT The microstructure and chemical properties of industrial Portland cement clinkers have been examined by SEM and XRF methods to establish the nature of the clinkers and how variations in the clinker characteristics can be used to control the clinker quality. The clinker nodules were found to show differences in the chemical composition and microstructure between the inner and outer parts of the clinker nodules. Microstructure studies of industrial Portland cement clinker have shown that the outer part of the nodules are enriched in silicate more than the inner part. There is better crystallization and larger alite crystal 9ize in the outer part than in the inner part. The alite crystal size varied between 16.2-46.12um. The clinker chemical composition was found to affect the residual >45um, where a higher belite content causes an increase in the residual >45um in the cement product and will cause a decrease in the concrete strength of the cement product. The aluminate and ferrite crystals and the microcracks within the alite crystal are clear in some clinker only. The quality of the raw material preparation, burning and cooling stages can be controlled using the microstructure of the clinker product. INTRODUCTION Examination of manufactured industrial clinkers using the Scanning Electron Microscope (SEM) is usually conducted to study problems that can't be defined by the normal quality control procedures. Such a study can be used to give better information and knowledge about clinkers characteristics and how variations in the clinker characteristics are affected by variations in the various stages during the manufacturing process. -
Forensic Chemistry (4 Credit Hrs) Course Description: Surve
CHEMISTRY 107 FORENSIC CHEMISTRY BULLETIN INFORMATION CHEM 107 – Forensic Chemistry (4 credit hrs) Course Description: Surveys chemical aspects of criminal investigation and adjudication including drug, arson, DNA, paint, and fiber identification. Note: Three lecture and three laboratory hours per week. SAMPLE COURSE OVERVIEW This course is an introduction to forensic chemistry intended for non-science majors. The course examines the many ways that chemical principles and scientific techniques are applied in modern crime investigation: the chemical characteristics of fuels and explosives as well as arson-related methods; other ways of identifying criminals through chemical processes, including blood and bodily fluid analyses, the chemical characteristics found in paints, fibers, hair, DNA, and fingerprinting; and the chemical properties of drug analysis. Through readings, lectures, demonstrations, homework, and laboratory exercises, students learn the fundamentals of forensic chemistry and its applications in crime investigation and adjudication. Student learning is evaluated through exams, assignments, participation in class discussions and activities, a case study project, and laboratory reports. ITEMIZED LEARNING OUTCOMES Upon successful completion of CHEM 107, students will be able to: 1. Demonstrate understanding of the scientific method. 2. Discuss the basic principles, concepts, terms, and scientific techniques associated with forensic chemistry. 3. Evaluate the relationships between science, technology, and society as these affect forensic issues. By specifically being able to: Identify steps of scientific method; describe and perform various forensic analytical techniques. Explain the characteristics of fuels and explosives, and their chemical evidence. Classify drugs, identify their chemical properties, and conduct their analysis. Describe the characteristics and properties of various materials such as hair, paint, polymers, fibers. -
Nt2113 Chemistry of Nanomaterials
DEPARTMENT OF PHYSICS AND NANOTECHNOLOGY FACULTY OF ENGINEERING AND TECHNOLOGY COURSE PLAN Course Code : NT2113 CHEMISTRY OF NANOMATERIALS Course Title : CHEMISTRY OF NANOMATERIALS Semester : III Course Time : JULY- NOV 2017 Location : SRM.UNIVERSITY Faculty Details Sec. Name Office Office hour Mail id Day III- A Dr. N. Angeline Little UB [email protected] (12.30- Flower 609A v.ac.in 2.15pm) Day 4- (10-40- 11.30 am) Required Text Books: 1. C. Brechignac, P. Houdy, M. Lahmani, “Nanomaterials and Nanochemistry”, Springer publication 2007. 2. Kenneth J. Klabunde, “Nanscale materials in chemistry”, Wiley Interscience Publications 2001 3. C. N. Rao, A. Muller, A. K. Cheetham ,“Nanomaterials chemistry”, Wiley-VCH 2007. Prerequisite : Nil Objectives : The purpose of this course is to provide an adequate knowledge on various Nanochemistry aspects Assessment Details: Cycle Test – I : 15 Marks Cycle Test – II : 25 Marks Surprise Test : 5 Marks Attendance : 5 Marks Department of Physics and Nanotechnology Program: II M. Tech. Nanotechnology Course file NT2113 CHEMISTRY OF NANOMATERIALS Table of Contents 1. Syllabus of NT2113 CHEMISTRY OF NANOMATERIALS 2. Academic course description 3. Notes of lesson Test Schedule S.No TEST PORTIONS DURATION . 1 Cycle Test-1 Session 1 to 15 2 Periods 2 Cycle Test-2 Session 16 to 45 3 Hrs. Outcomes Students who have successfully completed this course Instruction Objective To provide knowledge about chemistry based nanoprocess To design and conduct experiments relevant to nanochemistry, as well as to analyze the results To enhance the various nanosynthesis techniques and to identify and solve problems. To improve usage of chemistry for modern technology 1. -
Ligand-Free Nanoparticles As Building Blocks For
Includes Surfactants and Ligands for Nano Synthesis Ligand-free Nanoparticles as Building Blocks for Biomedicine and Catalysis by Stephan Barcikowski and Niko Bärsch Semiconductor Nanoparticles – A Review by Daniel Neß and Jan Niehaus Table of Contents Ligand-free Nanoparticles as Building Blocks for Biomedicine and Catalysis by Prof. Dr.-Ing. Stephan Barcikowski and Dr.-Ing. Niko Bärsch ....................................................1-8 Semiconductor Nanoparticles – A Review by Daniel Neß and Jan Niehaus ...................................................................................................9-16 Nanomaterials Sorted by Major Element ....................................................................................17-45 Nanomaterials – Surfactants and Ligands for Nano Synthesis........................................45-46 Nano Kits .......................................................................................................................................47-48 NEW Nanomaterials ...Coming Soon.... .............................................................................................49 Strem Chemicals, Inc., established in 1964, manufactures and markets a wide range of metals, inorganics and organometallics for research and development in the pharmaceutical, microelectronics, chemical and petrochemical industries as well as for academic and government institutions. Since 2004, Strem has manufactured a number of nanomaterials including clusters, colloids, particles, powders and magnetic fluids of a range -
Soft and Robust Identification of Body Fluid Using Fourier Transform
www.nature.com/scientificreports OPEN Soft and Robust Identifcation of Body Fluid Using Fourier Transform Infrared Spectroscopy Received: 14 February 2018 Accepted: 21 May 2018 and Chemometric Strategies for Published: xx xx xxxx Forensic Analysis Ayari Takamura1,2, Ken Watanabe1, Tomoko Akutsu1 & Takeaki Ozawa2 Body fuid (BF) identifcation is a critical part of a criminal investigation because of its ability to suggest how the crime was committed and to provide reliable origins of DNA. In contrast to current methods using serological and biochemical techniques, vibrational spectroscopic approaches provide alternative advantages for forensic BF identifcation, such as non-destructivity and versatility for various BF types and analytical interests. However, unexplored issues remain for its practical application to forensics; for example, a specifc BF needs to be discriminated from all other suspicious materials as well as other BFs, and the method should be applicable even to aged BF samples. Herein, we describe an innovative modeling method for discriminating the ATR FT-IR spectra of various BFs, including peripheral blood, saliva, semen, urine and sweat, to meet the practical demands described above. Spectra from unexpected non-BF samples were efciently excluded as outliers by adopting the Q-statistics technique. The robustness of the models against aged BFs was signifcantly improved by using the discrimination scheme of a dichotomous classifcation tree with hierarchical clustering. The present study advances the use of vibrational spectroscopy and a chemometric strategy for forensic BF identifcation. Forensic science is an applied research feld that aims to develop and validate analytical methods for criminal investigation and justice. Although research interest in forensics is quite diversifed, the analysis of biological samples collected at a crime scene is undoubtedly one of the most important tasks owing to the ability to identify criminal acts and suspects by DNA profling. -
2014 Chemistry Newsletter
FALL 2014 Welcome from the Head Construction Begins on Greetings from the Department of Chemistry! This has been Science Learning Center another successful year for UGA Chemistry, and I am pleased to report more good news about our department, faculty and students. University enrollment continues to grow each year – this fall, the university enrolled 35,197 students. The increase in student numbers, particularly in the rapidly growing engineering program, has created significant extra demand for Chemistry courses. This growth in instructional demand will help us to make a case for the continued growth of our faculty numbers. As I have mentioned in the past, faculty recruiting is one of the most significant and satisfying parts of my job. Jon Amster In the last year, we were able to recruit a new organic faculty member. Prof. Eric Ferreira comes to us from Colorado State University, where he established a successful and well-funded research program in synthetic organic chemistry. Eric and four Rendering of the future Science Learning Center of his graduate students moved to Athens over the summer. While his laboratory renovations are taking place, his students are hard at work in temporary space, and his program has hit he long-awaited Science Learning Center (SLC) the ground running. You can read more about Eric and his research activities inside this has finally become a reality, with groundbreaking issue of the newsletter. We have also just completed the recruitment of an organic lecturer, ceremonies attended by Governor Nathan Deal Doug Jackson. Doug is a product of our department, where he is completing his Ph.D. -
Production and Hydration of Calcium Sulfoaluminate-Belite Cements Derived from Aluminium Anodising Sludge
This is a repository copy of Production and hydration of calcium sulfoaluminate-belite cements derived from aluminium anodising sludge. White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/103378/ Version: Accepted Version Article: da Costa, E.B., Rodríguez, E.D., Bernal, S. et al. (3 more authors) (2016) Production and hydration of calcium sulfoaluminate-belite cements derived from aluminium anodising sludge. Construction and Building Materials, 122. pp. 373-383. ISSN 0950-0618 https://doi.org/10.1016/j.conbuildmat.2016.06.022 Reuse This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND) licence. This licence only allows you to download this work and share it with others as long as you credit the authors, but you can’t change the article in any way or use it commercially. More information and the full terms of the licence here: https://creativecommons.org/licenses/ Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the record and the reason for the withdrawal request. [email protected] https://eprints.whiterose.ac.uk/ Preprint of a paper published in Construction and Building Materials, 122(2016):373-383. Version of record is available at http://dx.doi.org/10.1016/j.conbuildmat.2016.06.022 1 Production and hydration of calcium sulfoaluminate-belite 2 cements derived from aluminium anodising sludge 3 Eugênio Bastos da Costa1, Erich D. Rodríguez1,2*, Susan A. -
ENGINEERING CHEMISTRY for CIRCUIT BRANCHES Unit-3 NANO CHEMISTRY NANOCHEMISTRY
19CH201 – ENGINEERING CHEMISTRY FOR CIRCUIT BRANCHES Unit-3 NANO CHEMISTRY NANOCHEMISTRY – SYLLABUS Basics – Distinction between molecules, Nanoparticles and Bulk materials; Size-dependent properties. Nanoparticles: Nano-cluster, Nanorod, Nanotube(CNT) and Nanowire. Synthesis: Precipitation, Thermolysis, Hydrothermal, Solvothermal, Electro-deposition, Chemical Vapour Deposition, Laser ablation; Properties and Application. INTRODUCTION Nanochemistry is a branch of nanoscience, deals with the chemical applications of nanomaterials in nanotechnology. Nanochemistry involves the study of the synthesis and characterization of materials of nanoscale size. Nanochemistry is a relatively new branch of chemistry concerned with the unique properties associated with assemblies of atoms or molecules of nanoscale (~1-100 nm), so the size of nanoparticles lies somewhere between individual atoms or molecules (the ‘building blocks’) and larger assemblies of bulk material which we are more familiar with. There are physical and chemical techniques in manipulating atoms to form molecules and nanoscale assemblies. Physical techniques allow atoms to be manipulated and positioned to specific requirements for a prescribed use. Traditional chemical techniques arrange atoms in molecules using well characterized chemical reactions. Nanochemistry is the science of tools, technologies, and methodologies for novel chemical synthesis e.g. employing synthetic chemistry to make nanoscale building P.GANESHKUMAR/AP/SNSCE/CHEMISTRY Unit-III Page 1 blocks of desired (prescribed) shape, size, composition and surface structure and possibly the potential to control the actual self-assembly of these building blocks to various desirable size. Nanoparticles have a high surface to volume ratio which has a dramatic effect on their properties compared to non-nanoscale forms of the same material. DEFINITIONS (i) Nanoparticles Nanoparticles are the particles, the size of which ranges from 1 to 50 nm. -
The Bottom-Up Construction of Molecular Devices and Machines*
Pure Appl. Chem., Vol. 80, No. 8, pp. 1631–1650, 2008. doi:10.1351/pac200880081631 © 2008 IUPAC Nanoscience and nanotechnology: The bottom-up construction of molecular devices and machines* Vincenzo Balzani‡ Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy Abstract: The bottom-up approach to miniaturization, which starts from molecules to build up nanostructures, enables the extension of the macroscopic concepts of a device and a ma- chine to molecular level. Molecular-level devices and machines operate via electronic and/or nuclear rearrangements and, like macroscopic devices and machines, need energy to operate and signals to communicate with the operator. Examples of molecular-level photonic wires, plug/socket systems, light-harvesting antennas, artificial muscles, molecular lifts, and light- powered linear and rotary motors are illustrated. The extension of the concepts of a device and a machine to the molecular level is of interest not only for basic research, but also for the growth of nanoscience and the development of nanotechnology. Keywords: molecular devices; molecular machines; information processing; photophysics; miniaturization. INTRODUCTION Nanotechnology [1–8] is a frequently used word both in the scientific literature and in the common lan- guage. It has become a favorite, and successful, term among America’s most fraudulent stock promot- ers [9] and, in the venture capital world of start-up companies, is perceived as “the design of very tiny platforms upon which to raise enormous amounts of money” [1]. Indeed, nanotechnology is a word that stirs up enthusiasm or fear since it is expected, for the good or for the bad, to have a strong influence on the future of mankind. -
CHEMISTRY MODULE No.31 : Magnetic Properties of Transition
Web links http://en.wikipedia.org/wiki/Magnetism http://wwwchem.uwimona.edu.jm/courses/magnetism.html https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/transition- metals-22/bonding-in-coordination-compounds-crystal-field-theory-160/magnetic-properties- 616-6882/ http://en.wikipedia.org/wiki/Transition_metal http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Crystal_Field_Theory/Crystal_Field_Theo ry/Magnetic_Properties_of_Coordination_Complexes Suggested Readings Miessler, G. L.; Tarr, D. A. (2003). Inorganic Chemistry (3rd ed.). Pearson Prentice Hall. ISBN 0-13-035471-6 Drago, R. S.Physical Methods In Chemistry. W.B. Saunders Company. ISBN 0721631843 (ISBN13: 9780721631844) Huheey, J. E.; Keiter, E.A. ; Keiter, R. L. ; Medhi O. K. Inorganic Chemistry: Principles of Structure and Reactivity.Pearson Education India, 2006 - Chemistry, Inorganic CHEMISTRY PAPER No.: 7; Inorganic Chemistry-II (Metal-Ligand Bonding, Electronic Spectra and Magnetic Properties of Transition Metal Complexes) MODULE No.31 : Magnetic properties of transition metal ions Carlin, R. L. Magnetochemistry. SPRINGER VERLAG GMBH. ISBN 10: 3642707351 / ISBN 13: 9783642707353 SELWOOD, P. W. MAGNETOCHEMISIRY. Swinburne Press. ISBN 1443724890. Earnshaw, A. Introduction to Magnetochemistry Academic Press. ISBN 10: 1483255239 / ISBN 13: 9781483255231 Lacheisserie É, D. T. De; Gignoux, D., Schlenker, M. Magnetism Time-Lines Timeline Image Description s 1600 Dr. William Gilbert published the first systematic experiments on magnetism in "De Magnete". Source: http://en.wikipedia.org/wiki/William_Gilbert_(astronomer) CHEMISTRY PAPER No.: 7; Inorganic Chemistry-II (Metal-Ligand Bonding, Electronic Spectra and Magnetic Properties of Transition Metal Complexes) MODULE No.31 : Magnetic properties of transition metal ions 1777 Charles-Augustin de Coulomb showed that the magnetic repulsion or attraction between magnetic poles varies inversely with the square of the http://en.wikipedia.org/wiki/Charles-Augustin_de_Coulomb distance r. -
Department of Chemistry Faculty of Science
M.Phil./Ph.D. Syllabus DEPARTMENT OF CHEMISTRY FACULTY OF SCIENCE THE UNIVERSITY OF RAJSHAHI Syllabus for The Degree of Master of Philosophy (M.Phil.)/ Doctor of Philosophy (Ph.D.) in Chemistry Session: 2017-2018 Department of Chemistry, University of Rajshahi January, 2018 DEPARTMENT OF CHEMISTRY Syllabus for M. Phil / Ph.D. Courses The following courses each of 100 marks are designed for M..Phil / Ph.D. students as per ordinance passed by the Academic Council held on 17-18/10-98 (decision no. 37 of 196th Academic Council) and approved by the Syndicate at its 351st meeting held on 22/10/98. Course Number Course Title Chem 611 Physical Chemistry - X Chem 612 Physical Chemistry - XI Chem 613 Physical Chemistry - XII Chem 621 Organic Chemistry - VIII Chem 622 Organic Chemistry - IX Chem 623 Industrial Chemistry - II Chem 631 Inorganic Chemistry - IX Chem 632 Inorganic Chemistry - X Chem 633 Analytical Chemistry – II Chem 634 Bioinorganic Chemistry * Marks Distribution: (a) Close Book Examination : 75 (b) Class Assessment : 25 A student must complete two courses out of the above ten courses. The courses will be assigned to a research fellow on the recommendation of supervisor(s) and approved by the departmental Chairman / Academic Committee. 1 Course : Chem 611 Physical Chemistry-X Examination : 4 hours Full marks : 100 1. Physical Properties of Gases: Kinetic molecular theory, equation of states and transport phenomena of gases. 2. Chemical Thermodynamics: Thermochemistry, statistical thermodynamics, non-equilibrium or reversible thermodynamics. 3. Chemical Equilibria, Phase Rule and Distribution law. 4. Electrochemistry:Electrolytic conductance, electrolytic transference and Ionic equilibria. 5.