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Acetyl thiourea · Benzohydroxamic acid · Biuret · tert-Butyl chloride Cesium chloride · Dibenzoyimethane · Diethyl adipate · Dipropyl ketone 2,2'-Dipyridyl · Disodium phenyl phosphate · Glutaric acid & anhydride 2,5-Hexanediol · Imidazole · Iminodiacetic acid, disodium salt Malonic acid · Melibiose · Methyl-2-furoate · Methyl tert-butyl ether Nitroso R salt · Orcinol · Phenyl thiourea · Phenylurea · Pimelic acid Sarcosine · Sodium malonate · Sodium succinate · Sodium tetraphenylboron Taurine · Triphenyl phosphine · o-Vanillin · Veratraldehyde · Xanthone Write tor our Products List of over 3000 chemicals TWX: 510-227-6230
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LABORATORY
Laboratory Service Center (Equipment, Materials, Services, Instruments for Leasing), Maximum space — 4 inches per advertisement. Column width, 2 - 3 / 1 6 " ; two-column width, 4 - 9 / 1 6 " . Artwork accepted. No combination of directory rates with ROP advertising. Rates based on number of inches used within 12 months from first date of first insertion. Per inch: 1 " — $115; 1 2 " — $112; 2 4 " — $108; 3 6 " — $105; 4 8 " — $102. CALL OR WRITE BARBARA
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ANALYTICAL CHEMISTRY 25 Sylvan Road South P.O. Box 231 Westport, Ct. 06881 203-226-7131
INDEX TO ADVERTISERS IN THIS ISSUE CIRCLE INQUIRY NO.
ADVERTISERS
PAGE NO.
CIRCLE INQUIRY NO.
ADVERTISERS
PAGE NO.
. * * Adamel Lhomargy Groupe 4/Marais
66D
52-53
Data Precision Allied Advertising Agency, Inc.
41A
2
* Alltech Associates Chromad
40A
58-61
* Dionex Corporation LaPointe, Schott & Smith, Inc.
47A, 49A, 51A, 93A
26
J. T. Baker Chemical Company Stiegler & Wells
65A
55
* DuPont Clinical Labs Barnum Communications, Inc.
55A
20
* Beckman Instruments La Pointe, Schott & Smith, Inc.
63A
63
Eastman Kodak Company Rumrill-Hoyt, Inc.
11A
28
* Bloanalytical Systems Kissinger Advertising Associates
67
ES Industries Scientific Marketing Services, Inc.
67A
22
* Bio-Rad Digilab Division Pan & Associates
68
* Floridan Marsteller, Inc.
30
Sybron/Brinkmann Lavey /Wolfe/Swift
OBC
48-49
* Gllson Medical Electronics LaPointe, Schott & Smith, Inc.
24
* Burdick & Jackson Laboratories, Inc. Nordstrom/Cox Marketing
44A
98
* Hach Chemical Company Art Service/Technical Promotion
99A
33
* Cajon Falls Advertising
44A
96-97
* Hewlett Packard Company Pinne, Garvin, Herbers & Hock, Inc.
86A
32
* Chrompack, Inc Lohmeyer Simpson
38A
105
* ISCO, Inc./Environmental Div. Farneaux Associates
80A
104 A · ANALYTICAL CHEMISTRY, VOL. 56, NO. 1, JANUARY 1984
INDEX TO ADVERTISERS IN THIS ISSUE CIRCLE INQUIRY NO.
ADVERTISERS
PAGE NO.
CIRCLE INQUIRY NO.
ADVERTISERS
PAGE NO.
124
* Kevex Commart Communications
IFC
200
Tracor X-Ray LaPointe, Schott & Smith, Inc.
91A
125
* LDC/Mllton Roy HRS Communications
15A
210
Upchurch Scientific Oak Harbor Advertising
34A
126
Leco Corporation LECOM
52A
220-221
* Valco Instruments Co., Inc Technical Advertising Associates
130
Leeman Labs., Inc James F. Balderson & Associates
99A
218-224
* Varian Moran, Lanig & Duncan Advertising
139
Markson Science Arcadia Advertising
13A
232
Waters Associates
53A
235 * Matheson Gas Products Schaefer Advertising, Inc.
13A
* Wescan Instruments . Webb & Associates
82A
139
240
Xenon Corporation
94A
145-146
Mettler Instrument Corporation McKinney, Inc.
* See ad in ACS Laboratory Guide " " Company so marked has advertisement in Foreign Regional edition only.
* Mitsubishi Chemical Global Advertising
54A
152
Nelson Analytical Moran, Lanig & Duncan
71A
154-155
Nikon, Incorporated Jarman, Spltzer & Felix
37A
158
* Omega Engineering Media Business House
56A
157
Oriel Corporation . . . Oriel Advertising
33A
156
Orion Research OBC Advertising
7A
172-173
175 70-84
183 185-186
194-198
162-166
159-161
204
188 193
193
202
PE/Oakbrook Instrument Division
17A, 73A, 85A
19A, 21A
141
170-171
9A
Advertising Management for the American Chemical Society Publications
CENTCOM, LTD. Thomas N. J. Koerwer, President James A. Byrne, Vice President Alfred L. Gregory, Vice President Clay S. Holden, Vice President
Benjamin W. Jones, Vice President Robert L. Voepel, Vice President Joseph P. Stenza, Production Director
25 Sylvan Rd. South P.O. Box 231 Westport, Connecticut 06881 (Area Code 203) 226-7131 telex no. 643310 ADVERTISING SALES MANAGER James A. Byrne ADVERTISING PRODUCTION MANAGER Barbara Aufderheide
59A
SALES REPRESENTATIVES Philadelphia . . . Dean A. Baldwin, Patricia O'Donnell, CENTCOM, LTD., GSB * Perkin-Elmer Corporation Building, Suite 425,1 Belmont Avenue, Bala Cynwyd, Pa. 19004. Tele-. AC&R Advertising, Inc. phone: 215-667-9666 New York . . . Dean A. Baldwin, Edward M. Black, CENTCOM, LTD., 60 East Pittsburgh Conference 97A 42nd St., 212-972-9660, New York, N.Y. 10165 Westport, CT . . . Edward M. Black, CENTCOM, LTD., 25 Sylvan Rd. South, 66E-66F, 66H ** PyeUnicam, Ltd P.O. Box 231, Westport, Ct. 06881. Telephone: 203-226-7131, Telex Connors Publicity, Ltd. 643310 Cleveland . . . Bruce E. Poorman, CENTCOM, LTD., 325 Front St., Suite 2, Regis Chemical Company 92A Berea, Ohio 44017, 216-234-1333 Chicago . . . Michael J. Pak, CENTCOM, LTD., 540 Frontage Rd., Northfleld, * Rheodyne, Incorporated 89A, 96A III. 60093, 312-441-6383 Bonfield Associates Houston . . . Dean A. Baldwin, CENTCOM, LTD., 215-667-9666 San Francisco, C A . . . Paul M. Butts, CENTCOM, LTD., Suite 112, 1499 * Scientific Glass Engineering Pty, Inc. . . . 25A-32A Bayshore Hwy, Burlingame, CA 94010. Telephone: 415-692-1218 Arden Advertising Los Angeles . . . Clay S. Holden, CENTCOM, LTD., Newton Pacific Center, 3142 Pacific Coast Highway, Suite 200, Torrance, CA 90505, 213* Shimadzu Scientific Instruments, Inc. . . 77A, 79A General Advertising-Sagami 325-1903 Boston, MA . . . Edward M. Black, CENTCOM, LTD. Telephone: 203-226' Shimadzu Scientific Instruments, Inc. 66B 7131 General Advertising-Sagami Atlanta, GA . . . Edward M. Black, CENTCOM, LTD. Telephone: 203-2267131 23A SLM/AMINCO Denver... Paul M. Butts, CENTCOM, LTD., 415-692-1218 Grubb, Graham & Wilder United Kingdom Reading, England . . . Malcolm Thiele, Technomedia Ltd., Wood Cottage, 50A * Spectra-Physics Shurlock Row, Reading RG10 OOE. Berkshire, England. Telephone: 0734-343302 Lancashire, England . . . Technomedia Ltd., c/o MecOnomics Ltd., MecoSpectrametrics . . . 61A nomics House, 31 Old Street, Ashton Under Lyne, Lancashire, England. McKinney, Inc. Telephone: 061-308-3025 Continental Europe . . . Andre Jamar, International Communications, Inc., Rue Supelco . . . 12A Mallar 1, 4800 Verviers, Belgium. Telephone: (087) 22-53-85, Telex Supelco Park #49263 46A Tracor Northern Tokyo, Japan . . . Shuji Tanaka, International Media Representatives Ltd., 2-29 Toranomon, 1-Chôme Minato-ku Tokyo 105 Japan. Telephone: 5020656 ANALYTICAL CHEMISTRY, VOL. 56, NO. 1, JANUARY 1984 · 105 A 4A-5A