OCTOBER 1, 1988 VOLUME 60 NUMBER 19 ANCHAM ABC 60(19) 1067A-1122A/2001-2176 (1988) ISSN 0003-2700 Registered In U.S. Patent and Trademark Office; Copyright 1988 by the American Chemical Society ANALYTICAL CHEMISTRY (ISSN 0003-2700) is pub lished semimonthly by the American Chemical So ciety at 1155 16th St., N.W., Washington, DC 20036. Editorial offices are located at the same ACS address (202-872-4600; TDD 202-872-8733). Second-class postage paid at Washington, DC, and additional mailing offices. Postmaster: Send ad dress changes to ANALYTICAL CHEMISTRY Member ship & Subscription Services, P.O. Box 3337, Co lumbus, OH 43210. Claims for missing numbers will not be allowed if loss was due to failure of notice of change of address to be received in the time specified; if claim is dated (a) North America: more than 90 days beyond issue date, (b) all other foreign: more than one year beyond issue date, or if the reason given is "missing from files." Copyright Permission: An individual may make a single reprographic copy of an article in this publi cation for personal use. Reprographic copying be yond that permitted by Section 107 or 108 of the U.S. Copyright Law is allowed, provided that the appropriate per-copy fee is paid through the Copy right Clearance Center, Inc., 27 Congress St., Sa lem, MA 01970. For reprint permission, write Copyright Administrator, Publications Division, ACS, 1155 16thSt., N.W., Washington, DC 20036. Registered names and trademarks, etc., used in this publication, even without specific indication thereof, are not to be considered unprotected by law. Advertising Management: Centcom, Ltd., 500 Post Rd. East, Westport, CT 06880 (203-226-7131)
Analytical®CHEMISTRY
INSTRUMENTATION 1089 A Direct determination of nonmetals in solution with atomic spec trometry has been difficult because of the fundamental characteristics of nonmetal atoms. Jon W. Carnahan and co-workers at Northern Illi nois University characterize re search in this area and discuss the developments likely to occur in the future
ANALYTICAL APPROACH ΤΠ7 A On the cover. Detecting irradiat ed foods. Lisa R. Karam and Mi chael G. Simic of the National Insti tute of Standards and Technology describe methodology developed to identify the irradiated status of foods using hydroxyl radical biomarkers
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BRIEFS
1072 A
EDITORIAL 1085 A The ACS Division of Analytical Chemistry: Fifty years of growth. One of the best indicators of the important changes that have occurred in analytical chemistry over the years is the list of topics covered by the Division's annual summer symposia NEWS 1087 A The ACS Division of Analytical Chemistry announces the 1988-89 gradu ate student fellowship winners. Four full-year fellowships and five summer fellowships have been awarded FOCUS 1105 A Tapping tree rings for the environmental tales they tell. Atomic absorp tion spectroscopy, neutron activation analysis, proton-induced X-ray emission spectroscopy, and inductively coupled plasma techniques provide information about the elemental and chemical distributions in tree rings NEW PRODUCTS & MANUFACTURERS' LITERATURE
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AUTHOR INDEX
2001
ANALYTICAL CHEMISTRY, VOL. 60, NO. 19, OCTOBER 1, 1988 · 1071 A
