The Drummond Pipet-Aid.
Y O U R M O S T DIRECT SOURCE FOR T H E FINEST C O M M E R C I A L L Y AVAILABLE
ANALYTICAL and FINE CHEMICALS
Fastest draw in the lab.
r Take a comfortable grip on the specially designed PipetAid handle. Press one button for intake. Press the other for deliv% ery. That's all there is to it. Fast. % Accurate. Effortless. Ideal for repeti1 tive sampling. The Drummond Pipet-Aid accepts most pipettes from 1 to 75 ml. Pipet-Aid is ideal in confined spaces, such as under laminar flow hoods. And is also available with filtration unit for use with hazardous mate rials. Pipet-Aid is available from CMS, Fisher. VWR, A. H. Thomas and others. FOR MORE INFORMATION CIRCLE THE NUMBER FOR THE NEW DRUMMOND PIPETTING EQUIP MENT CATALOG. TWELVE ILLUS TRATED PAGES THAT TELL ABOUT THE COMPLETE LINE OF
Ι ·Λ
DRUMMOND PIPETTING AIDS.
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DRUMMOND SCIENTIFIC COMPANY
BUY DIRECT IN ANY QUANTITY FROM THE MANUFACTURER WRITE US DIRECTLY or circle Reader Service Card for your GFS GENERAL CATALOG.
..its FREE
"Analytical Chemical· Since 1928"
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NEW LC catalog
One-stop shopping for all your liquid chroma tography needs
c
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500 Parkway Broomall. Pennsylvania 19008 Call toll-free: (800) 523-7480 In Pa.: (215) 353-0200
vanan
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or pipetting, Drummond took the work right out \ of your mouth.
Every LC laboratory^ should have a copy of this catalog. It includes the newest and best of everything you need for liquid chroma tography: chromatographs, detectors, injectors, columns, column packings and accessories, data systems, recorders, AutoSamplers™ solvents, sample handling and sample preparation products and instrument maintenance supplies. Get your free copy. Circle the reader service number or write: Varian Instrument Group, 611 Hansen Way, Palo Alto. CA 94303
CIRCLE 52 ON READER SERVICE CARD
1406 A · ANALYTICAL CHEMISTRY, VOL. 52, NO. 13, NOVEMBER 1980
CIRCLE 244 ON READER SERVICE CARD
