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1-Acetyl-2,3,5-tribenzoyl-/3-D-ribofuranose · Ally! Thiourea Aluminon · 4-Aminobenzonitrile · Aminocaproic Acid · Benzamide 2 , 3 - B u t a n e d i o n e M o n o x i m e · η-Butyl Bromide · Chalcone · Chloralose l-Chloro-2,2-dimethyl Propane · 1,3-Dichloropropene · Dimedone Dimethyl-p-phenylenediamine O x a l a t e · Disodium Phenyl Phosphate Dithiol · Glycolic A c i d · Inulin · M e n a d i o n e · M e t h y l A c e t a m i d e M e t h y l Formamide · n-Octyl-n-butyrate · iso-Propenyl Acetate R h o d a n i n e · Succinonitrile · T r i b r o m o p h e n o l • Urea Nitrate Write for list K-69 of other chemicals TWX: 710 988-5831
Tel: 201 696-1700
1049 S. San Gabriel Blvd. San G a b r i e l . California 91776 12131 287-0926
LAB WAR Ε Test tubes, flasks, beakers, dishes, joints, seals, stop cocks, quartz-to-metal APPARATUS
A
Metallographic Equipment. The com plete line of Struers' metallographic equipment is given in a specification/ price list, 20 pages. Vickers Instru ments, Inc., 15 Waite Ct., Maiden, Mass. 02148 617 Optical Test Instruments and Data Systems. Technical brochures on dig ital measurements of radiation and differential temperature from the far ir to the uv are available. Equipment operates with or without automatic on line data processing calculator. Cintra, Inc., 440 Logue Ave., Dept. R, Moun tain View, Calif. 94040 618 Direct-Reading V a c u u m Spectrometer.
Lollotte Chemical Chattartown, Maryland 21620
Fabrication or repairs quickly made per your drawings or instructions
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GC-MS
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Rods, tubes, plates, discs, ingots
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PEQUANNOCK, N. J.
ANALYTICAL SERVICES MASS SPECTROMETRY SAS CHROMATOGRAPHY—COMBINED INFRARED SPECTROPHOTOMETRY THERMAL ANALYSIS—DTA-TGA-DSC
STOCK
R a m a n Spectroscopy Bibliography.
58-page bibliography of Raman spec troscopy publications (1968-69) con tains over 500 listings covering general techniques and applications. SpectraPhysics, Inc., 1250 West Middlefield Rd., Mountain View, Calif. 94040 616
Zip Code 07440
EASTERN CHEMICAL CORPORATION
SU! QUARTZ
Literature
Manufacturers of chemical testing equipment and accessories since 1919
Writ· Dapt. AC for fraa catalog
I
An 8-page bulletin describes a new compact direct-reading vacuum spec trometer for fast, accurate prepour analysis. The new unit has a wave length coverage of 1688 to 5000 A. Fisher Scientific Co., 590 Lincoln St., Waltham, Mass. 02154 619
QUARTZ SCIENTIFIC, INC. 34602 Lakeland Blvd. Eaitlake, Ohio 44094
989 Commercial St. Palo Ulto, Calif 94303
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POLAROGRAPHIC SPECIALTIES Quaternary ammonium compounds. Highly purified salts and solutions. Cells designed for use above -2.0 volts.
SOUTHWESTERN ANALYTICAL
CHEMICALS
BOX 4 8 5 ARÎA 5 1 2
AUSTIN. TEX 444-3626
Bm7*miMA>Mnn)>nrm now even better for Fluoride
AMADAC-F Convenience-packaged mixture of lanthanum chelate of 3-aminomethylalizarin-NN-diacetic acid, buffers and stabilizers, affords accurate, sensitive and convenient quantitative colonmetric method for fluoride. 50 g. (for 100 detns.), with bibliography and complete instructions $15
BURDICK & JACKSON LABORATORIES, INC. 616 7222310 MUSKEGON. MICHIGAN
80 A
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49442
MASS SPECTROMETRY ANALYSIS Thin films-solid state materials. Bulk and trace analysis of all solid materials. Concentration gradients of diffused impurities. Resolution 5000. Sensitivity to parts per billion. GCA Technology Division, division of GCA Cor poration, Bedford, Mass., Tel. (617) 275-9000. Attn: Director of Marketing
Claytonmnttsma for better environment
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