LABORATORY SERVICE CENTER

ACCESSORIES. 0-400°C thermometer in 1UC graduations. 76mm. imm. $12.00. 100-500°C thermometer in 1°C graduations, borosilicate glass, nitrogen till...
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LABORATORY

SERVICE CENTER ENVIRONMENTAL SCIENCE, TECHNOLOGY AND ENGINEERING.

A l u m i n o n · p - A m i n o a c e t o p h e n o n e · 0-Amino-n-bu.tyric A c i d · Anisoin B e n z a m i d e · Benzanilide · 0 , 0 ' & p,p'-Biphenol · 1-Bromonaphthalene 2 - B r o m o t o l u e n e · tert-Butyl Chloride · 2 - C h l o r o - 4 - n i t r o b e n z o i c A c i d Dichloroacetic Acid · 2,3-Dimercaptosuccinic Acid · Diethylamine HCI N,N'-Diphenylbenzidine · Dipicolinic A c i d · α-Furil D i o x i m e · M a l o n a m i d e o - M e t h o x y b e n z o i c A c i d · M u c o b r o m i c A c i d · Potassium Biphthalate. Κ & N a Rhodizonates · S u c c i n i m i d e · Tetrahydrofurfuryl a c e t a t e Tetraethyl & T e t r a m e t h y l a m m o n i u m B r o m i d e , Chloride & Hydroxide · Xylitol Write for our Products List of over 3000

ECOLOGICAL

MELdTEMP*

chemicals

Tel: 516-273-0900 · TOLL FREE: 800-645-5566

T h e Best M e l t i n g Point A p p a r a t u s for L e s s

TWX: 510-227-6230

EASTERN CHEMICAL

P.O. Box 2500

A D i v i s i o n of U N I T E D - G U A R D I A N , I N C .

S M I T H T O W N , Ν. Υ. 1 1 7 8 7

Analytical Development Chemist

ANALYSTS

MEL-TEMP" is an integrated capillary melting point apparatus with heating rate continuously controlled by vari­ able transformer. Excellent viewing provided by built-in light and 6-power lens Attractive silvertone base is 4" χ 5" and includes 6-foot grounded power cord.

DEPT. AC

Heats t o 500°C. · Accepts

One to Three Samples · Rapid Heating and Cooling · No Heat Transfer Fluids

USE

only *I85°°P Does not include m.p. capillaries or thermumeler.

Electronic Gases

ACCESSORIES

LABORATORY

Division of a Fortune 300 international corporation has an opening at our Riverton, NJ facility for an Analytical Development Chemist. Minimum BS— Chemistry, with Advanced Degree preferred. At least 2 years experience with AA, ICP, GC, etc. Self starter needed to develop new analytical techniques for evaluating impurities in electronic gases. Send resume with salary history to W. Keith, Airco Spe­ cialty Gases, Union Landing & River Road, Riverton, NJ 08077. An equal opportunity employer M/F.

0-400°CtnermomeIerinluC gradualions. 76mm. imm - $12.00 ;00-500οϋ iHermometef in I°C graduait cms. borosilicate glass, nitrogen lilled. 76mm imm $15.00 Vial of 100 borosilicate glass m ρ capillaries, 100mm. long, sealed one end. . . .$3.00

SERVICE CENTER

Write for bulletin 80Ν

LABORATORY DEVICES P. O. Box 66, Cambridge, MA 02139

INDEX TO ADVERTISERS IN THIS ISSUE CIRCLE INQUIRY NO.

CIRCLE INQUIRY NO.

ADVERTISERS

ADVERTISERS

3

Allied Analytical Aries Advertising Industries

718A

33

"Chrompak, Inc Lohmeyer Simpson

670A

1

· Alltech Associates SMS Marketing Services

684A

35

Coulter Electronics Gary Singer Communications Corp.

766A

10

Alpha Metals, Inc Stewart H. Ross Adv.

741A

32

'Crawford Fitting Company Falls Advertising

692A

8

* Analect Instruments

723A

54

'Dlonex Corporation LaPointe, Schott & Smith, Inc.

753A

56-57

Dohrmann-Div. of Xertex LaPointe, Schott & Smith, Inc.

676A

58

"DuPont Barnum Communications

712A-713A

55

Dynatech Precision Sampling D. Allen & Associates

760A

63

Eastman Kodak Company Rumrill-Hoyt, Inc.

647A

67

'Eldex Laboratories Eli Media

734A

64-65

EM Science G&C Adv Marketing, Inc.

68

Fachinformationszentrum Karlsruhe Krais Werbeagentur

66

'Fisher Scientific Company

101-102

"GCA/Precision Scientific Winterkorn, Hammond & Lillis, Inc. GE Company/NMR Instruments LaPointe, Schott & Smith, Inc.

Analect Advertising 12 25 19

653A- 660A

Antek J . T. Baker Chemical Company Stiegler & Wells Balzers Petzold Adv.

715A 671A 661A

18

' B e c k m a n Instruments LaPointe, Schott & Smith, Inc.

28-29

'Bioanalytical Systems Kissinger Adv. Associates

16

*Bio-Rad-Nutrition & Cosmetics . . . . LaPointe, Schott & Smith, Inc.

30

* Brinkmann Instrument Lavey/Wolff/Swift

22

Brooks Instrument Division Emerson Electric Company

23

'Bruker Instruments Techmarketing

31

'Burdick & Jackson Laboratories, Inc. Nordstrom/Cox Marketing

742A

97

27

Burrell Corporation David J. Westhead Co.

741A

95-96

'Gilson Medical Electronics LaPointe, Schott & Smith, Inc.

637A

32

Cajon Company Falls Advertising

692A

98-99

'Hewlett-Packard Company Pinne, Garvin, Herbers & Hock, Inc.

746A

34

Camag Werbeagentur CBS

678A

109

'Instruments SA, Inc Kathy Wyatt & Associates

680A

764 A ·

ANALYTICAL CHEMISTRY,

696A, 717A 680A OBC 739A 640A-641A

VOL. 56, NO. 6, M A Y 1984

674A-675A ..

704A 685A 702A 724A