LABORATORY SUPPLY CENTER INSTRUMENTS FOR LEASING
MATERIALS * ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ r ^ r ^ ^ ^ ^ » ^ ^ » ^ V W ^ W ^ ^ M V ^ W ^ W W ^ ^ V ^ ^ W ^ V W ^ *
Join the EASTERN parade for your ORGANIC REAGENT needs! Hydrazobenzene · Triphenylphosphine · e-Amino-n-Caproic Acid Indoleacetic-, Indolebutyric- a n d Indolepropionic Acids 1,6-Hexanediol · 2,3-Butanediol · 1,3-Propanediol p-Nitrobenzyl Bromide · 1-Bromonaphthalene * 4-Bromophenol ι, ^ i I o d i n e T i t r a t i o n I n d i c a t o r · 3 , 5 - D i n i t r o b e n z o y l C h l o r i d e L ki tTelraphenylarsonium Chloride · Toluene-3,4-Dithiol Over 3,000 organic chemicals from stock. Write for list K-63.
EASTERN CHEMICAL CORPORATION • Gas Chromatographs • Spectrophotometers • Special Instruments • Instrument Accessories • Instrument Building Blocks Exactly the right instrument for your appli cation . . . on the lease or lease/purchase plan that will best fit your budget or finan cial accounting requirements. For details, write to Instrument Division, Perkin-Elmer Corporation, 751 Main Ave., Norwalk, Conn.
N.M.R. Solvents Min
-DTir
ig.
10g.
100g.
CDCI,
99.5%
W.
522.
$145.
CD.COOD
99%
7.
44.
330.
CD.
99.5%
21.
165.
req.
DiO
99.8%
12.
34.
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ISOTOPES SPECIALTIES CO.
PERKIN-ELMER
P. O. Box 688, Bur b a n k . Calif.
VI-9-2273
BOX K PEQUANNOCK, Ν. J.
1919—1963 L a M o t t e Chemical Chestertown, M a r y l a n d U . S . A . Specialists in Colorimetric Techniques Reagents—Standards—Comparators Send for illustrated Controls Catalog Dept. A C
Ό* tyou. TUcct:-
Chromatographic Aluminas? (Sized, purified, standardized/basic, acid, neutral) I ASK FOB PRICE LIST AA
BIO-RAD Laboratories 3 2 n d «. GRIFFIN AVE. . R I C H M O N D , CALIFORNIA
EQUIPMENT vOù/ethlwe W A S H BOTTLES •^ STURDY, STANDARD LABORATORY WASH BOTTLES 4
ONLY PLAX BOTTLES USED
4
LEAKPROOF FITTED TUBE well designed tip may be trimmed to suit need
4
FINEST WORKMANSHIP
À AVAILABLE AT EVERY ^ LABORATORY SUPPLY HOUSE in U. S. and Canada
Ns. 203 Standard Capacity
30ml/l oz. 60ml/2 oz. 125ml/4oz. 175/6 oz. 250/8 oz. 500/16 oz. 1000/32 oz.
Each
Dozen
.37 .39 .41 .51 .59 .69 .88
.33 .35 .37 .46 .53 .62 .80
ELECTRIC
LAB T|M[R Giant 8" Dial
Call Your Laboratory Supply House, Specify # 2 0 3 Std. Wash Bottles
LABORATORY PLASTICWARE FABRICATORS 714 Baltimore REFRACTOMETERS & RELATED P R O D U C T S Sales—Service—Repair Send for our descriptive literature VALENTINE INSTRUMENT COMPANY 2184 Primrose Ave.. Vista, California Tel: Area Code 714-727-0839
148 A
·
ANALYTICAL CHEMISTRY
Box 213
Kansas City 5, Missouri
YOUB ANNOUNCEMENT ot Equipment or Chemicals for Sale and/or Wanted, and Proiessional Services, can carry YOUR MESSAGE to the readers of the leading work-magazine for instrumentation, control and analysis. Rates on Request. ANALYTICAL CHEMISTRY Advertising Office 430 Park Avenue New York 22, Ν . Υ.
GRA-LAB INTERVAL TIMERS Automatic signalling and switching Various models, each with 3600 possi ble settings. GRA-LAB MICRO T I M E R S 1/10 sec. or 1/1000 min stop clocks. Remote start stop control. Write for catalog. COMPANY DIMCO-GRAY DAYTON 2, OHIO
210 E. SIXTH ST.,
