NotesFAQContact Us
Collection
Advanced
Search Tips
Showing 1 to 15 of 78 results Save | Export
Peer reviewed Peer reviewed
Glasser, L. – Journal of Chemical Education, 1987
This is Part II in a series on Fourier transforms. Described are Fourier transform techniques using spectrometers in chemistry. Advantages of the technique are discussed. (RH)
Descriptors: Chemistry, College Science, Laboratory Procedures, Scientific Research
Peer reviewed Peer reviewed
Perkins, W. D. – Journal of Chemical Education, 1987
This is Part II in a series on Fourier transform infrared spectroscopy (FT-IR). Described are various advantages of FT-IR spectroscopy including energy advantages, wavenumber accuracy, constant resolution, polarization effects, and stepping at grating changes. (RH)
Descriptors: Chemistry, College Science, Laboratory Procedures, Scientific Research
Peer reviewed Peer reviewed
Jones, Dianna G. – Analytical Chemistry, 1985
A previous part (Analytical Chemistry; v57 n9 p1057A) discussed the theoretical aspects of diode ultraviolet-visual (UV-VIS) spectroscopy. This part describes the applications of diode arrays in analytical chemistry, also considering spectroelectrochemistry, high performance liquid chromatography (HPLC), HPLC data processing, stopped flow, and…
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Maciel, Gary E. – Science, 1984
Examines recent developments in techniques for obtaining high-resolution nuclear magnetic resonance (NMR) spectra on solid samples, discussing the kinds of applications for which these techniques are well suited. Also discusses the characteristics of NMR of solids and generating magnetization for NMR in solids. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Hercules, David M.; Hercules, Shirley H. – Journal of Chemical Education, 1984
The fundamentals of two surface techniques--secondary-ion mass spectrometry (SIMS) and ion-scattering spectrometry (ISS)--are discussed. Examples of how these techniques have been applied to surface problems are provided. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Dew, Vinita C. – Journal of Chemical Education, 1987
Described are infrared windows made from Tupperware and polyethylene coffee can lids that provide acceptable spectra for low-frequency infrared. (RH)
Descriptors: Chemical Analysis, Chemistry, College Science, Laboratory Equipment
Peer reviewed Peer reviewed
Owen, Noel L.; Wood, Steven G. – Journal of Chemical Education, 1987
Described is a quick, easy, and cheap, but effective method of obtaining infrared spectra of solids and nonvolatile liquids by Fourier transform infrared spectroscopy. The technique uses tissue paper as a support matrix. (RH)
Descriptors: Chemical Analysis, Chemistry, College Science, Laboratory Equipment
Peer reviewed Peer reviewed
Wenzel, Thomas J.; Russett, Mark D. – Journal of Chemical Education, 1987
Described is an alternative method to infrared spectroscopy for the quantification of xylene mixtures. The method employs nuclear magnetic resonance spectroscopy. (RH)
Descriptors: Chemical Analysis, Chemistry, College Science, Laboratory Equipment
Peer reviewed Peer reviewed
MacCarthy, Patrick – Journal of Chemical Education, 1985
Background information, procedures used, and typical results obtained are provided for an experiment (based on the potassium bromide pressed-pellet method) involving the infrared spectroscopy of deuterated compounds. Deuteration refers to deuterium-hydrogen exchange at active hydrogen sites in the molecule. (JN)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Procedures
Peer reviewed Peer reviewed
Galan, Leo de – Analytical Chemistry, 1986
Discusses problems and prospects in: (1) multielement atomic adsorption spectroscopy (AAS); (2) inductively coupled plasma (ICP) atomic emission; and (3) other aspects of atomic spectrometry. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
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
Peer reviewed Peer reviewed
Smith, Stanford L. – Analytical Chemistry, 1985
The basic principles, current techniques, instrumentation, and possible chemical applications of nuclear magnetic resonance (NMR) imaging are discussed. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Lowry, Robert K. – Analytical Chemistry, 1986
Analytical techniques used at various points in making microchips are described. They include: Fourier transform infrared spectrometry (silicon purity); optical emission spectroscopy (quantitative thin-film composition); X-ray photoelectron spectroscopy (chemical changes in thin films); wet chemistry, instrumental analysis (process chemicals);…
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Gross, Michael L.; Rempel, Don L. – Science, 1984
Discusses the nature of Fourier transform mass spectrometry and its unique combination of high mass resolution, high upper mass limit, and multichannel advantage. Examines its operation, capabilities and limitations, applications (ion storage, ion manipulation, ion chemistry), and future applications and developments. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Krudy, George A.; Macomber, Roger S. – Journal of Chemical Education, 1979
Four examples are given of spectra of organophosphorus compounds which show students how the effects of phosphorus are delt with in nmr spectroscopy. (BB)
Descriptors: Chemistry, Higher Education, Instructional Materials, Laboratory Procedures
Previous Page | Next Page ยป
Pages: 1  |  2  |  3  |  4  |  5  |  6