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LABORATORY. SERVICE. CENTER. LAB SAFETY. ANALYTICAL APPLICATIONS AND CONSULTING. Contract Analysis and Research. Environmental · Industrial · Toxico...
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LABORATORY

SERVICE CENTER

CLASSIFIED SECTION ANALYTICAL INSTRUMENT SPECIALIST, CHEMISTRY: Professional position for a well trained and experienced technicianspecialist who can maintain, repair, and operate NMR and MASS SPECTROME­ TERS, and who is capable in low level digital electronics. A career opportunity with a first-rate private university located in upstate New York. Send resume in confidence to Virginia A. Leport, Person­ nel Dept., University of Rochester, 260 Crittenden Blvd., Rochester, N.Y. 14624. An equal opportunity employer (M/F).

Acetyl Valeryl · /3-Amino-n-Butyric Acid · Ammonium Reineckate o-Bromotoluene · Chalcone · «-Chloralose · Chloranil · Dimedone 3,3-Dimethylglutaric Acid · Di-n-Propyl Ketone · Dulcitol · Esculin Ethyl Pyruvate · Ethyl Urea · Glutaric Acid · Inulin · Mandelic Acid Lacmoid · Methyl-tert-Butyl Ether · Mucobromic Acid · Nadic Anhydride Naphthoresorcinol · Phenol Disulfonic Acid · m-Phenylenediamine HCI Phenyl Urea · Rhamnose · Salicin · Sodium-/3-Naphthoquinone-4-Sulfonate Sodium Hippurate · Succinimide · 2-Thiobarbituric Acid · Xylitol Write for our Products List of over 3000 chemicals Tel: 516-273-0900

TWX: 510-227-6230

EASTERN CHEMICAL Division of G U A R D I A N CHEMICAL CORP.

ANALYTICAL APPLICATIONS AND CONSULTING Contract Analysis and Research Environmental · Industrial · Toxicologic (Animal Studies and Testimony too) P.O. Box 881, Bellevue, WA 98009 (206) 454-7628

LAB

SAFETY

Send for our 1980 Catalog

POSITIONS OPEN

BOX 2 5 0 0 Κ HAUPPAUGE, Ν. Υ. 11787

USE LABORATORY SERVICE CENTER

CLASSIFIED ADVERTISING RATES Rate based on number of insertions used within 12 months from date of first insertion and not on the number of inches used. Space in classified advertising cannot be combined for frequency with ROF advertising. Clas­ sified advertising accepted in inch multiples only. Unit 1 inch

1-T 83

6-T 78

12-T 74

24-T 36-T 68 84

(Check Classified Advertising Department for rates if advertisement is larger than 10".) SHIPPING INSTRUCTIONS: Send all material to Analytical Chemistry Classified Advertising Department 25 Sylvan Rd. South, Westport, CT 06880

LAB SAFETY SUPPLY CO. P.O. Box 1368 Janesville, Wl 53545

INDEX TO ADVERTISERS IN THIS ISSUE CIRCLE INQUIRY NO. 3 8 7 9 10 11 2 5 28 25 1 24 26 21 22 27 32 35 36 33 34

ADVERTISERS

PAGE NO.

CIRCLE INQUIRY NO.

Air Products 8> Chemicals, Inc Lewis & Gilman Inc. "Airco Industrial Gases Hammond Farrell Inc. Alcatel Vacuum Products W. J. Hearn & Company Inc. Aldrich Chemical Company William Eisner & Assoc, Inc. 'Alltech Associates Chromad Analytical Instrument Development, Inc Mercer Associates 'Applied Science Division Science Advertising Associates Ashland Chemical Company Marsteller, Inc. * J. T. Baker Chemical Company Naimark & Barba, Inc.

601A

37

641A

48

631A

54

634A

52 50

Bausch & Lomb/ASD Blair Advertising, Inc. " Beckman Instruments Ayer/Pritikin & Gibbons James G. Biddle Company Ferguson Advertising, Inc. 'Bioanalytical Systems Inc 'Bio-Rad Chemical Fred Schott & Associates 'Brinkmann Blatt Advertising Inc. "Burdick & Jackson Laboratories, Inc Studio 5 Advertising Inc. * 'Carlo Erba Strumentzione Publicitas 'Chromatix David R. McClurg Chrompack Nederland BV Corco Chemical Corporation SIT/COM Corning Glass Works Winterkorn, Hammond & Lillis, Inc.

609A 668A

63 170

654A

73

621A

75

684A

74

604A

77

587A

83

707 A

80

697A 632A

82

OBC 677A

95 92-93 89-90

644C

91

670A

96

692A 612A

99

701A

123

708 A • ANALYTICAL CHEMISTRY, VOL. 52, NO. 6, MAY 1980

ADVERTISERS Cosa Corporation Jarman, Spitzer & Felix, Inc. Digital LDP Benton & Bowles, Inc. 'Dionex Fred Schott & Associates 'Dupont Co.—LC Columns 'Dupont Co.—Liquid Chromatographs N. W. Ayer ABH International ECO Incorporated ' EG&G Princeton Applied Research The Message Center Fiatron Systems, Inc Action Communicators, Inc. " Finnigan Corporation Finnigan Advertising 'Fisher Scientific Company Tech-Ad Associates The Fluorocarbon Company Robert Lewis Company Gelman Sciences, Inc The Argent Group, Inc. 'Gilford Instrument Laboratories, Inc Oberlin Industrial Advertising Gould Inc., Instruments Division Carr Liggett Advertising, Inc. 'Hamilton Company Mealer & Emerson Advertising 'Hewlett-Packard Benn Associates, Inc. 'Houston Instrument, Div. Baush & Lomb Cooley & Shillinglaw, Inc. Inficon Leybold-Heraeus Paul, John & Lee, Inc. 'Instruments SA, Inc., J-Y Optical Systems Division Kathy Wyatt & Associates ISCO Farneaux Associates ·Jarrell-Ash Div., Fisher Scientific Co Tech-Ad Associates

PAGE NO. 707A 650A-651A 658A 689A 639A 677A 645A 686A 694A 613A 664A 678A 652A 619A 648A-649A 582A-583A 703A 672A 686A 594A 646A

INDEX TO ADVERTISERS IN THIS ISSUE CIRCLE INQUIRY NO. 124 98 134 121 127 125 132 130 126 131 128-129 137 136 138 213-225 144, 145 143 140 139 150 152 151 156-157 177 176 158-159 169 168 174 171 179-180 172 100-120 185-186 188 187 190 196 197 160-165 200-201 189 194 191 205 206

ADVERTISERS * * Jenaer Glaswerke Werbeagentur Frenz Joint Committee on Powder Diffraction Standards 'Kevex Corporation Fred Schott & Associates Klpp & Zonen A. D. Adams Advertising Inc. Labclear Fred Schott & Associates Laboratory Data Control Science Advertising Assoc. Lab Safety Supply Company Janesville Ad Agency L.C. Company, Inc Leco Corporation Lecom/Leco Communications 'Linear Instruments Scientific Marketing Services 'The London Company Image Advertising, Inc. Machlett Laboratories, Inc James A. Ford Advertising 'Mallinckrodt, Inc Abelson-Frankel, Inc. Martek Instruments, Inc Tekmar Marketing Services Matheson Kenyon Hoag Associates 'Mettler McKinney, INc. 'Micromeritics Adgraphics Millipore Corporation Czryca Design Inc. Mitsubishi Chemical Industries, Ltd Global Advertising Co., Ltd. Manometries Inc Design + Plus Neotec Instruments, Inc S. M. Sachs & Associates, Inc. Nicolet Instrument Corporation Technical Communications Orion Research Inc OBC Advertising Parr Instrument Company F. Willard Hills Advertising 'Perkln-Elmer Corporation Marquardt & Roche, Inc. Perkln-Elmer, Coleman Instrument Dlv 'Pharmacia Fine Chemicals Gosselin Christman Advertising Phase Separations Ltd Glendale Lightfoot Limited Phase Separations Ltd Jules Rabin Associates, Inc. Philips Electron Optics S Τ G Marketing Communications 'Philips Electronic Instruments Kenyon Hoag Associates Photovolt Corporation Muir Corneluis Moore Pye Unicam ' *Pye Unicam 'Rheodyne Bonfield Associates Sargent-Welch Scientific Company Polytech Advertising Sartorlus Werbestudio Baars 'Schleicher & Schuell, Inc Jarman, Spitzer & Felix, Inc. 'Scientific Glass Engineering, Inc Arden Advertising Agency Selas Sardi & Solarz Setaram Stratège Agence de Publicité 'Shlmadzu Corporation General Advertising Agency, Inc. 'Siemens Corporation, Measurement Systems Division Hogan Gazzara Associates Spectra Physics/Autolab Division Paul Pease Advertising Inc. Spex Industries Seymour Nussenbaum 'Techne, Inc Brunswick Advertising Tektronix, Inc Young, White & Roehr Inc.

PAGE NO. 644C

CIRCLE INQUIRY

NO

207 203-204

702A IFC

209

670A

210

600A

212

698A

211

692A

241-248

668A 667A

230 236

707A 232, 234-235

674A 233

688A 595A 702A 592A, 593A

ADVERTISERS

* See ad in ACS Laboratory Guide " " Company so marked has advertisement Advertising

PAGE

NO.

Torsion B a l a n c e C o m p a n y 687A D o u g l a s S a m u e l A d v e r t i s i n g Inc. ' T r a c o r Analytical Instruments 602A-603A A i m Advertising Agency Tridom C h e m i c a l , Inc 642A Jules Rabin A s s o c i a t e s Inc. T u r n e r / A m s c o Instrument C o m p a n y 691A Maher K a u m p & Clark Inc. ' U n i o n C a r b i d e , Linde Division 630A Y o u n g & R u b i c a m , Inc. Upjohn Diagnostics 664A W i l l i a m R. Biggs A s s o c i a t e s , Inc. "Variaη Instrument 596A-597A, 598A, 599A M o r a n , Lanig & D u n c a n A d v e r t i s i n g W a t e r s Associates 705A Landi & Handler, Inc. ' W e s c a n Instruments, Inc 640A W . E. L o v e A d v e r t i s i n g . . . ' W h a t m a n , Inc 607A, 644A, 680A J . S. Lanza & A s s o c i a t e s ' J o h n Wiley & Sons, Inc 683A 6 0 5 A d v e r t i s i n g Group

Management

for the American

in Foreign Chemical

Regional Society

edition

only.

Publications

655A, 682A C E N T C O M . LTD.

676A 657A 637A

T h o m a s N. J . K o e r w e r , President; J a m e s A . B y r n e , V i c e President; A l f r e d L. Gregory, V i c e President; Clay S. Holden, V i c e President; B e n j a m i n W . J o n e s , V i c e President; Robert L. V o e p e l , V i c e President; 25 Sylvan Rd. South, Westport, C o n n e c t i c u t 0 6 8 8 0 ( A r e a C o d e 203) 2 2 6 - 7 1 3 1

677A 685A 591A

ADVERTISING SALES MANAGER J a m e s A. Byrne

585A 662A SALES

REPRESENTATIVES

614A-615A Atlanta, GA . . . Don Davis, C E N T C O M , LTD. Telephone: 2 0 3 - 2 2 6 - 7 1 3 1

616A 669A 661A 637A 643A 629A 579A 627A-628A 662B-662C 666A, 681A 610A

Boston, M A . . . Don Davis, C E N T C O M , LTD. Telephone: 2 0 3 - 2 2 6 - 7 1 3 1 Chicago . . . Bruce Ε. Poorman, CENTCOM, LTD., 540 Frontage Rd., Northfield, III. 6 0 0 9 3 , 3 1 2 - 4 4 1 - 6 3 8 3 Cleveland . . . Harvey M. Nicholson, Bruce E. Poorman, C E N T C O M , LTD., 17 Church St., B e r e a , Ohio 4 4 0 1 7 , 2 1 6 - 2 3 4 - 1 3 3 3 Houston . . . Robert LaPointe, C E N T C O M , LTD., 4 1 5 - 7 8 1 - 3 4 3 0 D e n v e r . . . Clay S. Holden, C E N T C O M , LTD., 2 1 3 - 3 2 5 - 1 9 0 3 Los Angeles 9 0 0 4 5 . . . Clay S. Holden, C E N T C O M , LTD., N e w t o n Pacific Center, 3 1 4 2 Pacific Coast Highway, Suite 2 0 0 , Torrance, CA 9 0 5 0 5 , 213-325-1903 N e w York 1 0 0 1 7 . . . D e a n A. Baldwin, Don Davis, Harvey M. Nicholson, C E N T C O M , LTD., 6 0 East 42nd St., 2 1 2 - 9 7 2 - 9 6 6 0 Philadelphia . . . D e a n A. Baldwin, Harvey M. Nicholson, C E N T C O M , LTD., GSB Building, Suite 5 1 0 , 1 Belmont Avenue, Bala C y n w y d , Pa. 1 9 0 0 4 . Telephone: 2 1 5 - 6 6 7 - 9 6 6 6

671A

S a n Francisco, CA . . . Robert E. LaPointe, C E N T C O M , LTD., Suite 3 0 3 , 2 1 1 Sutter Street, San Francisco, CA 9 4 1 0 8 . Telephone: 4 1 5 - 7 8 1 - 3 4 3 0

589A

Westport, CT . . . Don Davis, C E N T C O M , LTD., 25 Sylvan Rd. South, Westport, Ct. 0 6 8 8 0 . Telephone: 2 0 3 - 2 2 6 - 7 1 3 1

693A 608A 659A

United Kingdom Reading, England . . . Malcolm Thiele, Technomedia Ltd., W o o d Cottage, Shurlock Row, Reding R G 1 0 OQE. Telephone: 0 7 3 - 5 8 1 - 3 0 2 Manchester, England . . . Jill E. Loney, Technomedia Ltd., 2 1 6 Longhurst L a n e , Mellor, Stockport SK6 5 P W . Telephone: 0 6 1 - 4 2 7 - 5 6 6 0

625A

Tokyo, Japan . . . Shigeo Aoki, International Media Representatives Ltd., 2 - 2 9 Toranomon, 1-Chome Minato-ku Tokyo 105 Japan. Telephone: 5 0 2 0656

675A

Continental Europe . . . Andre Jamar, Rue Mallar 1 , 4 8 0 0 Verviers, Belgium. Telephone: ( 0 8 7 ) 2 2 - 5 3 - 8 5 , Telex # 4 9 2 6 3

623A 653A 665A 710A

PRODUCTION Production Director Joseph P. Stenza

DEPARTMENT Advertising Production Manager Barbara Aufderheide

A N A L Y T I C A L CHEMISTRY, VOL. 52, NO. 6, MAY

1980 • 709 A