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Peer reviewedJuergens, Frederick H. – Journal of Chemical Education, 1988
Describes a method for demonstrating absorption spectra of intensely colored solutions using a mounted grating and a specially designed cell. Allows a student to compare the spectrum of a white light source directly with the same light modified by an absorbing spectrum. Uses acrylic tubing to make the cell. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Instructional Materials
Peer reviewedGilbert, George L. – Journal of Chemical Education, 1982
Two demonstrations are described: (1) a sunset effect using a gooseneck lamp and 20 sheets of paper and (2) the preparation and determination of structural features of dimethyl sulfoxide (DMSO) by infrared spectroscopy. (SK)
Descriptors: Chemical Reactions, Chemistry, College Science, Demonstrations (Educational)
Peer reviewedJordan, 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
