PRECISION APPARATUS AND INSTRUMENTS FOR THE
ANALYTICAL CHEMIST 460 SERIES ROTAMETERS These Flowmeters offer: • Wide angle visibility. • High accuracy. • Tubes are easily removed by hand for cleaning or changing flow range. • Available in stainless steel or aluminum, with or without the control valve. • Clear plastic shield provided for tube protection and safety.
from the prime source
CHROMATOGRAPHY COLUMNS • High Pressure columns manufactured of precision bore glass tubing and stainless steel fittings. • Features: On-column sample injection. Contamination free construction. • A complete line of low cost ascending or gravity feed columns with associated sample injection syringes.
GLASS & QUARTZ JOINTS Offered in Three Styles
"SOLV-SEAL" JOINT
• Standard Taper, Ball & Socket and the patented "Solv-Seal". • Easy disassembly. • Interchangeable parts. • Quartz or Borosilicate glass units in stock. • Low cost. • Immediate delivery.
HEAVY O X Y G E N P R O D U C T S What is in a label? If that label bears the signa ture "Research Products Division, Miles Labora tories, I n c . " the product is from the basic manufacturer, Miles-Yeda Ltd. and you have complete assurance of product integrity and service. Miles-Yeda Ltd. of the Research Products Divi sion is a basic producer of Oxygen-17 and Oxygen-18 products. More than 62 different isotopic oxygen products, in a broad range of enrichments, are available for research. What ever your needs, consult MILES for these unique stable isotopes.
CUSTOM GLASS & QUARTZ Fabrications to Meet all Analytical Requirements
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Mastercraftsmen Glass-Blowers of: • Condensers. • Distilling apparatus. • Extraction apparatus. • Custom applications & special requirements. • Guaranteed workmanship.
For a complete listing of isotopes, both stable and radiolabeled, see Catalog Β and Supple ment 69-B.
RESEARCH PRODUCTS DIVISION MILES LABORATORIES. INC. Ρ Ο. BOX 272, KANKAKEE. ILLINOIS 60901
U.S.A
Circle No. 130 on Readers' Service Card
Lab-Crest
ANDREWS SCIENTIFIC DIVISION
FISCHER & PORTER COMPANY
1531 COUNTY LINE RD., WARMINSTER, PA. 18974 Circle No. 62 on Readers' Service Card
100 A
· ANALYTICAL CHEMISTRY, VOL. 4 3 , NO. 3 , MARCH 1 9 7 1
