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Coppoia, Ella D.; Hanna, J. Gordon – Journal of Chemical Education, 1976
Describes an instrumental analysis experiment that utilizes spectrofluorimetry to determine as little as 0.02 percent glycine in commercial dietetic beverages. (MLH)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Gross, Michael L.; And Others – Journal of Chemical Education, 1975
Isomeric ketones containing six or seven carbons are separated, illustrating the capability of chemical instrumentation for separating a group of closely related compounds. (MLH)
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

Billmeyer, Fred W., Jr. – Journal of Chemical Education, 1974
Describes an experiment designed to familiarize students with the operation of a precision spectrophotometer, the effects of changes in operating variables, and the characteristics of such components as sources and detectors. (SLH)
Descriptors: Chemical Analysis, Chemistry, College Science, Instructional Materials
Bard, James R. – J Chem Educ, 1969
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

Cassidy, Robert F., Jr.; Schuerch, Conrad – Journal of Chemical Education, 1976
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

Pacer, Richard A. – Journal of Chemical Education, 1976
Describes the quantitative analysis of a gaseous mixture using peak heights and ratios between the peak heights. (MLH)
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

O'Reilly, James E. – Journal of Chemical Education, 1979
Describes an experiment suitable for an instrumental analysis or quantitative analysis course. (BB)
Descriptors: Chemical Analysis, Chemistry, Food, Higher Education

Wang, Joseph – Journal of Chemical Education, 1983
Describes an experiment designed to acquaint students with the theory and applications of anodic stripping voltammetry (ASV) as well as such ASV problems as contamination associated with trace analysis. The experimental procedure, instrumentation, and materials discussed are designed to minimize cost and keep procedures as simple as possible. (JM)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Muha, G. M. – Journal of Chemical Education, 1976
Describes the use of integrated circuit voltage regulators in electrolytic titration instruments. (MLH)
Descriptors: Chemical Analysis, Chemistry, College Science, Electric Circuits

Marin, Dolores; Mendicuti, Francisco – Journal of Chemical Education, 1988
Describes a laboratory experiment designed to encourage laboratory cooperation among individual undergraduate students or groups. Notes each student contributes results individually and the exchange of data is essential to obtain final results. Uses the polarographic method for determining complex metal ions. (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, College Science

Jaffar, M.; Zahid, Qazi – Journal of Chemical Education, 1988
Presents the construction aspects of a simple but reliable colorimeter made from locally available components. Notes the absorption range to be 400-750-nm. Lists seven experiments done on the instrument. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Equipment

Hudson, Reggie L.; Pendley, Bradford D. – Journal of Chemical Education, 1988
Describes an advanced NMR project that can be done with a 60-MHz continuous-wave proton spectrometer. Points out the main purposes are to give students experience in second-order NMR analysis, the simplification of spectra by raising the frequency, and the effect of non-hydrogen nuclei on proton resonances. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Inorganic Chemistry

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

Hill, Devon W.; And Others – Journal of Chemical Education, 1988
Describes a laboratory technique for quantitative analysis of caffeine by an isotopic dilution method for coupled gas chromatography-mass spectroscopy. Discusses caffeine analysis and experimental methodology. Lists sample caffeine concentrations found in common products. (MVL)
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

Arnold, Dennis P. – Journal of Chemical Education, 1988
Attempts to show that in the closed loops of cyclic structures the protons situated in conic regions above and below the ring will be shielded. Uses the diamagnetic and air stable octahedral tin(IV) complexes of porphyrins for study. Notes complexes crystallize easily and offer spectacular purple colors. (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, College Science
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