News
NOW
PRE-Channeled PRE-Adsorbent
TLC UNIPLATES η standard or channeled version, Analtech's classical • UNIPLATES provide: Improved sensitivity with discrete, reproducible separations Minimal sample preparation Compatibility with wide range of solvent systems Catalog by return mail ANALTECH 75 Blue Hen Drive, P.O. Box 7558, Newark, Delaware 19711 1 -800-441 -7540 In Delaware (302) 737-6960 CIRCLE 7 O N READER SERVICE CARD
SUB M I C R O N PARTICLE SIZE A N A L Y S I S D O W N TO 0.01 M I C R O N IT'S SIMPLE W I T H A JOYCE LOEBL DISC C E N T R I F U G E 3 Benefit from the wealth of experience established in our application's laboratory in analysing a wide spectrum of particulate materials. The results are summarised in a free booklet 'APPLICATION REPORTS' covering the following major end-user groups: * Polymer Emulsions * Magnetic Iron Oxide * Inks and Pigments * Carbon Black * Titanium Dioxide * And many others For your copy circle the reader enquiry card or w r i t e to:
Problem Solving by Chromatography: H P L C and G C Cincinnati. J u n e 11-15. W. Averill. $625. Contact: Ann Woolley, Finnigan Institute, 11750 Chesterdale Rd., Bldg. 5, Cincinnati, Ohio 45246. 513772-5500 IR Interpretation Houston. J u n e 18-20. H. Sloane. $330. Contact: Ann Woolley, Finnigan Institute, 11750 Chesterdale Rd., Bldg. 5, Cincinnati, Ohio 45246. 513-772-5500 ,:i
C N M R Workshop New Brunswick, N.J. (Rutgers University). J u n e 20-22. $150. Contact: Registrar, 13 C N M R Workshops, Varian Associates, Box D-070, 611 Hansen Way, Palo Alto, Calif. 94303
For Your Information Environmental Technology Division of Lear Siegler, Inc., is offering customer training programs for the division's oxygen analyzer, gas analyzers, opacity monitors, and D P 30 data processing system. For further information, contact: Al Becker, Lear Siegler, Inc., Environmental Technology Division, 74 Inverness Drive East, Englewood, Colo. 80112. 303-770-3300 P e r k i n - E l m e r Corp. has changed the names of two of its divisions serving the data processing market. Computer Systems Division is the new name for the Interdata Division, and Memory Products Division is the new name for the Wangco Division. Reprints of the reports, Standard Reference Materials for Trace Analysis and Contamination in Trace Analysis, are available from IUPAC journal Pure and Applied Chemistry, Vol. 50, Nos. 11/12 (1978). T h e reports were prepared by t h e IUPAC Commission on microchemical techniques and trace analysis. T h e complete line of nearly 400 h i g h purity materials specifically made for spectroscopic analysis by Johnson Matthey Chemicals Ltd., of Royston, England, is now available in the U.S. through Ultra Carbon Corp., Bay City, Mich.
JOYCE-LOEBL Marquisway, Τeam Valley ^GatosfMSKl IMW1Î 0Q.W €ngtend
Vickers Instruments Inc.
' 10QA Commua way
JOYCE LOEBL
Wobum jS y Massachusetts 01801 ' U.S.A.-' jS
CIRCLE 99 O N READER SERVICE CARD 596 A ·
ANALYTICAL CHEMISTRY, VOL. 6 1 , NO. 6, MAY 1979
ANSI's ABC's of International S t a n dardization, a booklet t h a t lists the major international organizations concerned with standardization, has been updated and reissued. For more information, contact: American National Standards Institute, 1430 Broadway, New York, N.Y. 10018.
News T h e 1979 D i r e c t o r y of Consulting and Laboratory Services covering 20 eastern and midwestern states is available. In the first edition, the capabilities of 547 firms offering engineering and scientific consulting, testing, analytical, and R&D services are described in detail. Price is $34.75 plus $1.35 for postage and handling. A 30day price refund guarantee is offered. Send checks to J. W. Lundy Enterprises, P.O. Box 543, State College, Pa. 16801.
The National Technical Information Service of the Dept. of Commerce is offering China-related information through various handbooks and CIA reports. One report entitled "China: Scientific Abstracts," issued annually with 28 issues, costs $100. For further information, contact: Dept. of Commerce, National Technical Information Service, Office of the Director, 5285 P o r t Royal Rd., Springfield, Va. 22161.
Chromatographer's Supermarket Over 150 pages of the highestqualitygas, liquid, and thin layer chromatography supports, stationary phases, packings and columns, hardware, accessories, supplies, standards, lipids, reagents, solvents and much, much more. From the leader in chromatographic supplies and accessories.
GET YOUR FREE COPY TODAY!
Analabs, Inc. A Unit of Foxboro Analytical 80 Republic Drive North Haven, CT 06473 Tel. (203) 288-8463
FOXBORO
A brochure about Micromeritics' Materials .Analysis Laboratory is available from the company. Applications information and sample information are also on file at the Laboratory. Write Micromeritics Instrument Corp., 5680 Goshen Springs Rd., Norcross, Ga. 30093.
T h e editors of the journal Progress in Analytical Atomic Spectroscopy will commission papers in the following areas: AA, optical emission with excitation by arc, spark, and other sources, atomic fluorescence, and X-ray and electron beam techniques. For more information, contact: C. L. Chakrabarti, Editor-in-Chief, Dept. of Chemistry, Carleton University, Ottawa, Ont., Canada K l S 5B6.
ComputerAssisted Structure Elucidation A C S S y m p o s i u m Series No. 54 Dennis H. Smith, Editor Stanford University School of Medicine A s y m p o s i u m sponsored by the Division of Chemical information of the A m e r i c a n Chemical Society. An up-to-date report on the growing use of computers to assist in the identification of complex u n k n o w n molecular structures in the laboratory. The collection covers such diverse methodologies as library search techniques, pattern recognition, artificial intelligence programs, a u t o m a t e d interpretation of chemical data, structure generation, and ranking of candidate structures based on prediction of chemical or spectroscopic behavior. CONTENTS Structure Identification of U n k n o w n Mass Spectra · C o m p o n e n t s of Complex Mixtures by GC-MS · NIH-EPA Chemical Information System · Determination of the Secondary Structure of Globular Proteins · Automatically Acquired n C NMR Rules · Computerized Structural Predictions from 13C NMR Spectra · Interactive Structure Elucidation · CHEMICS: A Computer Program System for Structure Elucidation of Organic C o m p o u n d s · Computer Assistance for the Structural Chemist
151 pages (1977) clothbound $15.50 L,C 77-24427 ISBN 0-8412-0384-9
A contract for development of a master analytical scheme has been awarded to Research Triangle Institute, Research Triangle Park, N.C., with a subcontract to Gulf South Research Institute, New Orleans. T h e object of the contract is to develop an analytical scheme that, when coupled with G C - M S identification techniques, will serve as a general protocol for analytical surveys in which all volatile organic compounds above a specified level in water are searched for and quantified.
CIRCLE 78 ON READER SERVICE CARD
598 A · ANALYTICAL CHEMISTRY, VOL. 5 1 , NO. 6, MAY 1979
SIS/American Chemical Society 1155 16th St., N.W./Wash., D.C. 20036 Please send . copies of SS 54 Computer-Assisted Structure Elucidation at $15.50 D Check enclosed for $ D Bill me. Postpaid in U.S. and Canada, plus 40 cents elsewhere.
Address City
Zip
