LABORATORY SUPPLY CENTER

center. Adenine Sulfate ·. DL-Alanine ·. Allylthiourea · p-Amlnoacetophenone e-Aminocaproic Acid · ... dead volume. ANALTECH,. 75 Blue Hen Dr., Ne...
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The Coblentz Society has established a new Speaker's Bureau. Over 100 talks are available on popular, practi­ cal, or theoretical topics in infrared and Raman spectroscopy. A list of speakers and titles is available from Jeanette G. Grasselli, The Standard Oil Co. (Ohio), 4440 Warrensville Cen­ ter Rd., Cleveland, Ohio 44128.

Adenine Sulfate · DL-Alanine · Allylthiourea · p-Aminoacetophenone e-Aminocaproic Acid · p-Aminohippuric Acid · Anisoln · a-Chloralose 2,6-Dichloroquinonechloroimide · Diethyl Adipate · 2,2'-Dipyrldyl Esculin · Fructose · α-Furil Dioxime · Galactosamlne Hydrochloride Imidazole · INT · Inulin · Malonic Acid · Methyl Red & Na Salt 5-NHro-2-Furaldehyde · Orcinol · Potassium & Sodium-m-Periodates L-Rhamnose · Salicin · Sodium Pyruvate · Sodium Tetraphenylboron Tetraphenylarsonium Chloride · iso-Vanillin · Xylitol · Xylose Write for our Products

The Du Pont Co. Instrument Prod­ ucts Division has reported the start­ up of its new multimillion dollar plant located on a 20-acre site in the Janesboro Industrial Park, Ark. The new plant produces the chemical reagent test packs that are used with the com­ pany's automatic clinical analyzer (aca), a sophisticated medical instru­ ment used to analyze blood serum and other body fluids. LFE Corp. (1601 Trapelo Rd., Waltham, Mass. 02154) has appointed Metron Central (Keystone Park, Suite 1021, 13771 N. Central Express­ way, Dallas, Tex. 75231) as its exclu­ sive sales representative in Texas, New Mexico, and Oklahoma. LFE manufactures low-temperature ashers used in separation and high-percent­ age recovery of inorganic trace ele­ ments from organic matrices of food, biological, or pharmaceutical samples prior to spectrochemical analyses. Τ & Τ Technology, Inc. (McFarland, Wis.), a clinical laboratory computer company, has reached an agreement with Spectra Medical Systems, Inc. (1121 San Antonio Rd., Palo Alto, Calif. 94303), developers of medical information systems, to offer a joint total system product in which Τ & T's LDM 7000 series laboratory data in­ formation system will become an inte­ gral part of the Spectra-2000 Medical Information System (MIS). WARF Institute, Inc. (3301 Kinsman Blvd., Madison, Wis. 53701), one of the nation's major laboratories spe­ cializing in nutritionally and biologi­ cally related testing and evaluation services for manufacturers, food pro­ cessors, educational institutions, and government agencies, has formed a special client service group. Supported by a technical core consolidated into nine production departments (medi­ cal, pesticide evaluation, toxicology, pesticide residue, chemistry, nutri­ tional bioassay, elemental chemistry, nutritional adjuncts, and special project), the new group provides cen­ tralized contact and service functions for the institute's 3000 clients.

SUPPLY CENTER

List of over 3,000

chemicals TWX: 510-227-6230

Tel.: 516-273-0900

EASTERN CHEMICAL 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 . If You Want Highest Purity Quantitative Spectrographic Standards Specify SPECPURE* JOHNSON MATTHEY CHEMICALS, LTD. Available from U.S. Exclusive Distributor — ^ write: UMC UNITED MINERAL & CHEMICAL CORP. •^agtf 131 Hudson Street, N.Y., N.Y. 10013 (212) 966-4330

Miniature Valves & Fittings

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Complete line of integrated valves, columns and fittings are chemically inert, leak tightto 500 psi and provide zero dead volume. ANALTECH 75 Blue Hen Dr., Newark, DE 19711 /

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DEUTERIUM OXIDE? 99.8 mol°/o/100.0 mol°/o For new low prices call: (415) 234-4130

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Η A U P P A U G E , Ν . Y.

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TH€ COMPLETE ANALYTICAL LABORATORY FOR YOUR CHEMICAL ANALYSIS Now.. .when you don't have the time or the proper instrumentation to solve your analytical problem...you can rely on the convenience and prompt service of West Coast Technical Service. It's like having a fully staffed and equipped analytical laboratory as handy as your telephone. Whether you need a routine test or a solution to an unusual problem, WCTS has the people and the instruments to give you the answers you need. FREE BROCHURE O N ANALYTICAL SERVICES Includes description of instruments, typical analyses, procedures, and fee schedule.

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E C O N O M Y GRADE NMR SOLVENTS? Acetone-cU 99% 50g $37.50 Benzene-d. 99% 50g $45.00 Chloroform-d 9 9 . 6 % 500g $34.00

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WEST

COAST T6CHNICAL

seRvice. INC.

17605 FABRICA WAY SUITE D CERRITOS, CA 90701 (213)921-9931

32nd & Griffin Ave Richmond, CA 94804

THERMOWELL - POWERMITE

Rates Available on Request ANALYTICAL CHEMISTRY

50 West State Street Westport, Ct. 06880 203-226-7131

THERMOWELL r.b. flask heaters have high heat outputs, comparable to quartz mantles, but at a far lower cost. THERMOWELL units are so durable they can be used in student org. labs (to re­ place the bunsen burner), now used by hundreds of collegesHeating element is completely embedded for safer operation. Thirteen sizes, 10 to 5000 m l , 36" 3-wire cord, steel body, alum, b o t t o m . Regulate THERMOWELLs precisely with the dependable POWERMITE heat con­ t r o l , four models available. Nut available t h r o u g h distributors. W r i t e for complete i n f o r m a t i o n or call 608-362-2255.

LABORATORY CRAFTSMEN P.O. Box 148 B e l o i t , W i s . 53511 ANALYTICAL CHEMISTRY, VOL. 48, NO. 6, MAY

1976 ·

485 A