Hach Company - ACS Publications

in the use of electron optical instru- mentation for detecting the causes of materials failures and contamination, assisting in forensic investigation...
1 downloads 6 Views 144KB Size
HACH WE'RE BASIC IN C H E M I C A L S FOR ANALYSIS INDICATORS & COLORIMETRIC REAGENTS SPADNS Calcein Heptoxime Calmagite FerroZine® DPD—Oxylate 1,5-Diphenylcarbohydrazide Tetraphenylarsonium Chloride Hydroxynaphthol Blue (ACS Grade) l-Amino-2-Naph thol-4-Sulfonic \j\cid____

TITRANTS, REDOX, AND INORGANIC REAGENTS PAO CD TA Lead Chloride Lead Fluoride Copper Selenite Bismuth Trioxide Iodine Pent oxide Sodium Molybdate Ammonium Molybdate

ULTRAPURE PRIMARY STANDARDS 4-Aminopyridine KB 2.34x10 5 (prepd. by sublimation) 2-FuroicAcid KA 8.63x10-" (prepd. by sublimation) Sodium silicofluoride (Primary Standard for Silica and Fluoride) For more information, prices on bulk quantities, or custom manufacture, call our toll free number: 800-247-3990 and ask for special chemical sales.

HACH Hach Company P.O. Box 389 l.ovcland, CO 80537

News "Clinical Drug Monitoring Market (TDM)" (Report 109) has been published by Theta Technology Corporation. Topics such as pharmaceuticals, pharmacokinetics, biovariability, manufacturer's strategies, analytical methodologies, instrumental systems, and market factors that affect TDM are discussed. Copies are available for $295 each. For more information contact Art Klaben, THETA, 462 Ridge Rd., Wethersfield, Conn. 06109, 203563-9400. Structure Probe, Inc., has recently opened a new analytical research laboratory at 1015 Merrick Rd. in Copiague, N.Y. Through its four laboratories, Structure Probe, Inc., specializes in the use of electron optical instrumentation for detecting the causes of materials failures and contamination, assisting in forensic investigations, substantiating advertising efficacy claims, and detecting asbestos in air, water, and foods. For more information contact Structure Probe, Inc., 535 East Gay St., P.O. Box 342, West Chester, Pa. 19380, 215-436-5400. CAS ONLINE now provides online document ordering for any article monitored by CAS. Searchers can order original journal articles, patents, or other documents of interest through CAS Document Delivery Service by typing ORDER while logged-in to CAS ONLINE. Documents can be identified by either their abstract numbers in Chemical Abstracts or by bibliographic information. Costs are $12 for a document up to 50 pages in length and $24 for documents 51 or more pages long. For more information contact Chemical Abstracts Service, 2540 01entangy River Rd., P.O. Box 3012, Columbus, Ohio 43210, 614-421-6940.

Chemical Abstracts Service's CAS ONLINE system now displays full bibliographic information identifying the 10 most recent references for a substance retrieved through a search. Searchers can ask for bibliographic information with answers retrieved through a structure search of CAS ONLINE or for substances retrieved through keying in the CAS Registry Number. All information necessary to identify and locate the original document is displayed on request, including the Chemical Abstracts abstract number, the title of the document, the author(s) of a journal article or inventorie) of a patent, the corporate source or patent assignees for patents, the

CIRCLE 97 ON READER SERVICE CARD 932 A · ANALYTICAL CHEMISTRY, VOL. 54, NO. 8, JULY 1982

source of the document, the publication year, and the language of publication. For more information contact Chemical Abstracts Service, 2540 01entangy River Rd., P.O. Box 3012, Columbus, Ohio 43210, 614-421-6940. The Aerospace Division of the Perkin-Elmer Corporation has acquired the Process Mass Spectrometer Controller (PMSC) product line from the Bi-M Instrument Co., Inc. The PMSC is a microprocessor-based digital system for use with the Perkin-Elmer MGA 1200 Multiple Gas Analyzer for on-line process monitoring. For more information contact the Perkin-Elmer Corporation, Main Avenue, Norwalk, Conn. 06856, 203-762-1000. A new quarterly, the Journal ofPhotoacousties, is being published by Marcel Dekker, Inc. Topics include applications to gas and vapor analysis, molecular spectroscopy, de-excitation studies, thermal analysis, and microscopy. Annual subscription rates are $51 (institutional) and $25.50 (individual). For more information contact Marcel Dekker, Inc., 270 Madison Ave., New York, N.Y. 10016, 212-8899595. The "Directory of Teaching Innovations in Chemistry" has been published by Studies in Higher Education and the American Chemical Society's Division of Chemical Education under a grant from the Exxon Education Foundation. The directory is compiled from surveys of college and university chemistry departments and provides chemistry teachers with access to individuals, programs, and ideas to assist them in improving their teaching. Copies can be obtained for $6.50 each (postpaid) by writing Dean Gregory, Directory of Teaching Innovations in Chemistry, 346 San Jose Dr., Dunedin, Fla. 33528. A new report, "Academic Science 1972-81," has been published by the Division of Science Resources Studies of the National Science Foundation. Report NSF 81-326 is the second in a series of biennial publications analyzing data collected in NSF surveys of academic R&D expenditures, the employment and utilization of scientists and engineers, and the characteristics of graduate students enrolled in sciences and engineering. Copies are available without charge from the Division of Science Resources Studies, NSF, 1800 G St., N.W., Washington, D.C. 20550.