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King, Roy W.; Williams, Kathryn R. – Journal of Chemical Education, 1989
Using fourier transformation methods in nuclear magnetic resonance has made possible increased sensitivity in chemical analysis. This article describes these methods as they relate to magnetization, the RF magnetic field, nuclear relaxation, the RF pulse, and free induction decay. (CW)
Descriptors: Chemistry, College Science, Higher Education, Instrumentation
Peer reviewed Peer reviewed
Settle, Frank A. Jr., Ed. – Journal of Chemical Education, 1989
Using Fourier transformation methods in nuclear resonance has made possible increased sensitivity in chemical analysis. This article describes data acquisition, data processing, and the frequency spectrum as they relate to this technique. (CW)
Descriptors: Chemistry, College Science, Higher Education, Instrumentation
Peer reviewed Peer reviewed
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
Peer reviewed Peer reviewed
Francisco, E.; And Others – Journal of Chemical Education, 1988
Presents coulombic models representing the particles of a system by point charges interacting through Coulomb's law to explain coulombic lattice potential. Uses rubidium manganese trifluoride as an example of cubic perovskite structure. Discusses the effects on cluster properties. (CW)
Descriptors: Chemical Bonding, Chemistry, College Science, Higher Education
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Jordan, Thomas M. – Science Teacher, 1989
Explained is a representation of the three categories of spectra. Discusses what a lesson on spectra should include, background information, and equipment needed. Provided is a diagram of an absorption box. (RT)
Descriptors: Astronomy, Chemistry, Laboratory Equipment, Light
Peer reviewed Peer reviewed
Craig, Norman C. – Journal of Chemical Education, 1988
Presents entropy analysis of four processes: a chemical reaction, a heat engine, the dissolution of a solid, and osmosis. Discusses entropy, the second law of thermodynamics, and the Gibbs free energy function. (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, College Science
Peer reviewed Peer reviewed
Newland, Robert J.; And Others – Journal of Chemical Education, 1988
Reviews four organic chemistry computer programs and three books. Software includes: (1) NMR Simulator 7--for IBM or Macintosh, (2) Nucleic Acid Structure and Synthesis--for IBM, (3) Molecular Design Editor--for Apple II, and (4) Synthetic Adventure--for Apple II and IBM. Book topics include physical chemistry, polymer pioneers, and the basics of…
Descriptors: Atomic Structure, Chemistry, College Science, Computer Software