Download - LABORATORY SERVICE CENTER

Transcript

L A B O R A T O R Y SERVICE CENTER

p-Aminoacetophenone · / î-Amino-n-butyric Acid · Ammon ium Reineckate Barium Diphenylaminesulfonate · Benzanil ide · Benzylidineanil ine

2-Bromotoluene · Cetylpyridinium Bromide · a-Chloralose · Chloranil Dihydroxyacetone · 2,3-Dimercaptosuccinic Acid · s-Diphenyl Urea 2,2'-Dipyridyl · Ethyl Lactate · Glucose-1-phosphate DiK & Na Salts

Glycolic Acid · HABA · p-Hydroxybenzonitri le · Methyl-n-propyl Ketone Mucobromic Acid · Nadic Anhydride · Oxalacetic Acid · Oxamic Acid

Phenol Disulfonic Acid · Salicin · Sodium /3-Naphthoquinone-4-sulfonate

Write for our Products List of over 3000 chemicals

Tel: 516-273-0900 TWX: 510-227-6230

EASTERN CHEMICAL BOX 2 5 0 0 Κ D i v i s i o n of G U A R D I A N C H E M I C A L C O R P . H A U P P A U G E , Ν . Υ . 1 1 7 8 7

URANIUM FLUORIMETRIC ANALYSIS Sample Fusion Rotary Burner

Reproducible uranium fusions of NaF pellets —24 fusions in 2-4 min. SASKATCHEWAN RESEARCH COUNCIL

' Instrument Laboratory 30 Campus Drive Saskatoon, Sask. Canada, S7N 0X1

SOLVENTS—Highest Purity Call or write for prices.

Pollard & Co. Box 7131 Wilmington, DE 19803

Phone: 302-656-0060

LAB SAFETY Send for 1978 Catalog

LAB SAFETY SUPPLY CO. P.O.Box 1422, Janesv i l l e , W l 53545

CUPRIC SELENITE—CuSe03-2H20 Kjeldahl Catalyst ava i lab le f r o m :

Laramie Chemical Co. P.O. Box 3611

Laramie, Wyoming 82071 phone (307) 742-3100

USE

LABORATORY

SERVICE

CENTER

INDEX TO ADVERTISERS IN THIS ISSUE

CIRCLE INQUIRY NO. ADVERTISERS PAGE NO.

CIRCLE INQUIRY NO. ADVERTISERS PAGE NO.

Alrco Industrial Gases . Hammond Farrell Inc.

3 Alpha Metals, Inc Edward Weiss Advertising Agency, Inc

2 * Altex Scientific Inc Oliver Smith Advertising, Inc.

20, 21 J. T. Baker Chemical Company Naimark & Barba, Inc.

17 Barnes Engineering Company Jarman, Spitzer & Felix, Inc.

xxx ** Bausch & Lomb International . . . . Blair Advertising, Inc.

18 * Brinkmann Instruments, Inc • Blatt Advertising, Inc.

19 Bruker Instruments, Inc Schwietzer Advertising

26 Bruker Messtechnlk Haller Werbemittlung

24 * Buchler Instruments Jud Jaffe Advertising

23 * Burdick & Jackson Laboratories, Inc. . Studio 5 Advertising, Inc.

33 Cahn Instruments Marketing Directions, Inc.

37-40 * Chromatlx, Inc David R. McClurg

34 Crane Company Doremus Uptown

32 · Crawford Fitting Company . Falls Advertising Company

51-58 * Dlonex Fred Schott & Associates

1308A

1355A

1327A

1293A, 1377A

1335A

1298B-1298E

OBC

1380A

1343A

1313A

1358A

1315A

1289A

1357A

1360A

1319A

50 * Dohrmann Fred Schott & Associates

75 * Fisher Scientific Company Tech-Ad Associates

76 Floating Point Systems, Inc 74 Fluid Metering, Inc

Arnold H. Nachman Associates 87 Gilson Medical Electronics, Inc

Fred Schott & Associates 84 * Gilson Medical Electronics, Inc

Towell, Inc. Advertising 85 * Glenco Scientific

Boone Advertising, Inc. 95, 98 * Hamilton Company 1339A,

Mealer & Emerson, Inc. Advertising 1366A-

96 * Hellma International, Inc Miller Advertising Agency

94 * Houston Instrument Cooley & Shillinglaw, Inc.

105 ISCO Farneaux Associates Advertising

110 ' Jarrell-Ash Div., Fisher Scientific Co. Tech-Ad Associates

115—116 ' Kratos, Inc Mesa Copy

1283A

1341A

1363A

1377A

1357A

1333A

1355A

1340A, 1367A

1358A

IFC

1377A

1307A

1345A

125 LKB Instruments Inc Jarman, Spitzer & Felix, Inc.

138-140 * Matheson Kenyon Hoag Associates

xxx *MC/B Manufacturing Chemists, Inc. Northlich, Stolley, Inc.

1320A

1294A,1295A

1322B-1322C

1378 A · ANALYTICAL CHEMISTRY, VOL. 50, NO. 14, DECEMBER 1978