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Showing 91 to 105 of 146 results Save | Export
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Schatz, Paul F. – Journal of Chemical Education, 1979
Describes a laboratory experiment which demonstrates manipulation of highly reactive chemicals, use of a gas trap, and simple and reduced pressure distillation. Student must characterize starting material and product with nuclear magnetic resonance and infrared spectroscopy. (Author/SA)
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials
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Brown, D. W. – Journal of Chemical Education, 1985
Presents a short set of carbon-13 nuclear magnetic resonance (NMR) tables. These tables not only serve pedagogic purposes but also allow students to do calculations rapidly and with acceptable accuracy for a wide variety of compounds. (JN)
Descriptors: Chemistry, College Science, Higher Education, Organic Chemistry
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Zdravkovich, Vera; Cunniff, Patricia A. – Science Teacher, 1991
Described is a program in which students learn about spectroscopy and instrumentation to solve a chemical forensic mystery. Infrared and nuclear magnetic resonance (NMR) spectroscopy, refractometry, and chromatographic techniques were used. An example of a mystery case is included. (KR)
Descriptors: Chemical Analysis, Chemistry, Chromatography, Data Analysis
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Ahn, Myong-Ku – Journal of Chemical Education, 1989
Nuclear magnetic resonance and infrared are two spectroscopic methods that commonly use the Fourier transform technique. Discussed are the similarities and differences in the use of the Fourier transform in these two spectroscopic techniques. (CW)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Equipment
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Boggess, Robert K. – Journal of Chemical Education, 1988
Describes a method for using nuclear magnetic resonance to observe the effect of electronegativity on the chemical shift of protons in similar compounds. Suggests the use of 1,3-dihalopropanes as samples. Includes sample questions. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Experiments
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White, Rick C.; Ma, Sha – Journal of Chemical Education, 1988
Describes a photochemistry experiment designed to introduce photochemical techniques and experience free radical chemistry. Selects Nuclear Magnetic Resonance spectroscopy for the analysis. This activity is suggested for use in an upper level undergraduate organic course. (MVL)
Descriptors: Chemistry, College Science, Experiments, Higher Education
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Yu, Sophia J. – Journal of Chemical Education, 1987
Describes a new laboratory technique for working with small samples of compounds used in nuclear magnetic resonance (NMR) analysis. Demonstrates how microcells can be constructed for each experiment and samples can be recycled. (TW)
Descriptors: Chemical Analysis, College Science, Higher Education, Organic Chemistry
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Lipkowitz, K. B.; Mooney, J. L. – Journal of Chemical Education, 1987
Described is a laboratory exercise that uses nuclear magnetic resonance to monitor enantiomeric excess in asymmetric reductions. The laboratory exercise has been used successfully with undergraduate organic chemistry students. (RH)
Descriptors: Chemical Analysis, Chemistry, College Science, Laboratory Experiments
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Cavaleiro, Jose A. S. – Journal of Chemical Education, 1987
Describes a simple undergraduate experiment in chemistry dealing with the "solvent effects" in nuclear magnetic resonance (NMR) spectroscopy. Stresses the importance of having students learn NMR spectroscopy as a tool in analytical chemistry. (TW)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
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Chemical and Engineering News, 1986
Describes a course in chemical instrumentation for high school chemistry teachers, paid for by Union Carbide. Teachers used spectrophotometer, nuclear magnetic resonance spectrometer, atomic absorption spectrograph, gas chromatograph, liquid chromatograph and infrared spectrophotometer. Also describes other teacher education seminars. (JM)
Descriptors: Chemistry, Continuing Education, Inservice Teacher Education, Instrumentation
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Chemical and Engineering News, 1986
Cites advances in x-ray diffraction, nuclear magnetic resonance, computer modeling, and display to guide the design and analysis of protein structures. Reviews recent advances in knowledge, synthesis techniques, and theory of proteins. (JM)
Descriptors: Chemistry, College Science, Computer Graphics, Computer Simulation
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Gurst, J. E.; And Others – Journal of Chemical Education, 1985
Describes relatively simple nuclear magnetic resonance (NMR) experiments that demonstrate unexpected results of the deceptively simple and deceptively complex types. Background information, experimental procedures, and typical results obtained are included. (JN)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Procedures
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McQuarrie, Donald A. – Journal of Chemical Education, 1988
Discusses how to interpret nuclear magnetic resonance (NMR) spectra and how to use them to determine molecular structures. This discussion is limited to spectra that are a result of observation of only the protons in a molecule. This type is called proton magnetic resonance (PMR) spectra. (CW)
Descriptors: Atomic Structure, Chemical Analysis, Chemistry, College Science
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Jelinski, Lynn W. – Chemical and Engineering News, 1984
Discusses direct chemical information that can be obtained from modern nuclear magnetic resonance (NMR) methods, concentrating on the types of problems that can be solved. Shows how selected methods provide information about polymers, bipolymers, biochemistry, small organic molecules, inorganic compounds, and compounds oriented in a magnetic…
Descriptors: Chemical Engineering, Chemistry, College Science, Higher Education
Jaffe, C. Carl – American Scientist, 1982
Describes principle imaging techniques, their applications, and their limitations in terms of diagnostic capability and possible adverse biological effects. Techniques include film radiography, computed tomography, nuclear medicine, positron emission tomography (PET), ultrasonography, nuclear magnetic resonance, and digital radiography. PET has…
Descriptors: Biology, Clinical Diagnosis, Computer Oriented Programs, Higher Education
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