Presents reviews of audiovisual aids for chemistry including format, time, catalog number, price range, supplies, and reviewer's comments. (SK)

Lists 12 reasons why college students have difficulty solving chemistry problems and 12 suggestions for improvement. Lists were compiled from students in an introductory chemistry course. (SK)

Results of on-site inspections of 11 New York colleges, laboratories and storage facilities are summarized according to: (1) chemical storage and disposal; (2) safety equipment; (3) ventilation; (4) general housekeeping; and (5) safety education. (Author/SK)

Discusses forensic science in general and forensic chemistry in particular, including laboratory techniques used by forensic chemists and toxicologists. (SK)

Describes a course based on the premise that an automated experiment consists of three distinct sections: experiment, computer, and interface (including both software and hardware). Includes course content, lecture topics, and discussion of necessary computer equipment. (Author/SK)

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)

A technician auto analyzer (consisting of six modules: sampler, multichannel peristaltic pump, dialyser, heating/incubation bath, colorimeter, and recorder) was modified by using key modules and substituting standard equipment for others; spectronic 20 with homemade flow cell for colorimeter module. Descriptions and diagrams of the apparatus are…

Describes the features and operation of an inexpensive digital pH meter. Includes a schematic diagram of the pH meter and a parts list with cost and source of each part. (SK)

Describes a simple, inexpensive experiment for extraction of synthetic dyes permitted in foodstuffs, and their separation and identification using thin-layer chromatography and ultraviolet/visible spectroscopy. (Author/SK)

An experiment on the operation and utility of an amperometric immobilized enzyme electrode (or probe) is described, including advantages of the experiment, equipment, reagents, preparation of phosphate buffer, enzyme immobilization techniques, laboratory procedures, precautions, and discussion of experimental results. (SK)

Describes procedures and semi-micro reaction apparatus (carbon dioxide trap) to demonstrate how a particular enzyme (L-Glutamic acid decarboxylase) may be used to determine the site or sites of labeling in its substrate (carbon-14 labeled glutamic acid). Includes calculations, solutions, and reagents used. (Author/SK)

Discusses long (expanded), short (condensed), and pyramidal periodic table formats and documents events leading to a periodic table in which subgroups (families) are designated with the letters A and B, suggesting that this format is confusing for those consulting the table. (JN)

Difficulties encountered by students when solving problems were examined using Program of Actions and Methods (PAM) for systematic problem solving in science. Difficulties encountered included those in analyzing the problem, planning the problem-solving process, executing routine operations, and those related to the ways teachers solve problems.…

Testing the accuracy of college teachers' assumptions of topics taught in high school chemistry, it was found that high school chemistry teachers do not agree on what topics should be included in their courses and that college chemistry teachers are incorrect in their assumptions of what is taught in high school. (Author/JN)

Describes computer programs (available from authors) including molecular input to computer, programs for quantum chemistry, library orientation to technical literature, plotting potentiometric titration data, simulating oscilloscope curves, organic qualitative analysis with dynamic graphics, extended Huckel calculations, and calculator programs…