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ACS Publications and Services Intern program—information for students. Free brochure describes the 1991 Summer Intern Program for col lege students, sponsored by the ACS Division of Analytical Chemistry. The application, selection, and placement processes are described. 424 Intern program—information for employers. Employers looking for summer help can participate in the 1991 Summer Intern Program spon sored by the ACS Division of Analyti cal Chemistry. Free brochure describes the program and contains a Sponsor Application Form for listing available positions. 425 1989 ACS Annual Report. Free publi cation describes ACS activities and highlights programs designed to im prove chemical and scientific literacy at all educational levels. A membership profile and a treasurer's report are in cluded. 32 pp. 426
ICP 2000 is a 60-channel plasma emis sion spectrometer designed for simulta neous multielement analysis. Features include a solid-state generator and inte grated plasma controls. Baird 402
Teaching resources. Free catalog lists curriculum materials and other supplementary publications available from the ACS Division of Education. Bumper stickers, decorative and in structional posters, and magazines suitable for use with elementary and high school students are described. An order form is enclosed. 14 pp. 427
Monochromators. Brochure high lights the SpectraPro monochromators and spectrographs, which feature re mote scan control, triple indexable gratings, and RS-232 computer com patibility. Acton Research Corp. 435
Manufacturers' Literature GC. Handbook describes Chiraldex capillary GC columns for the separa tion of enantiomers. Information is provided on thermostability, condi tioning, derivatization, operating pa rameters, and applications. Advanced Separation Technologies 412 Titration. Application note discusses the simultaneous determination of sul fate, chloride, and calcium in water by potentiometric titration. Apparatus, re agents, and procedures are described. Radiometer Analytical A/S 433 Biochemistry. Brochure highlights the 2700 Select biochemistry analyzer, which provides simultaneous measure ment of dextrose and L-lactate or dex trose and sucrose in 90 s. YSI 434
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