24-HOUR DELIVERY/LOW PRICES
forget your feet
HOLLOW CATHODE LAMPS
ACE LAB MAT
• Highest Detectivity • Highest Linearity
ANTI-FATIGUE HEMICALLY RESISTANT LABORATORY MATTING
DEUTERIUM LAMPS -—•j ·-
FWonyouyourconcentrate work
· Highly Stable in AA instruments and UV Spectrophotometers WRITE FOR OUR PRICE LIST/DATA SHEET DESCRIBING OVER 50 H O L L O W CATHODE L A M P S A N D 8 DEUTERIUM L A M P S .
HAMAMATSU HAMAMATSU CORPORATION · 420 SOUTH AVENUE MIDDLESEX, NEW JERSEY 08846 · PHONE: 201/469-6640 International Offices in Major Countries of Europe and Asia.
Company
1
Specifically designed to relieve fatigue in leg and loot muscles. 1 Constructed to withstand extreme conditions. • Nothing in lab can harm it. No special installation required. 1 Ace Companies can also provide:
City Zip
• Food Grade PVC Tubing • Neoprene Tubing
for further information write or call
ACE LITE STEP CO.
· Latex Tubing · Clamps
1516 SOUTH WABASH CHICAGO, IL 60605
Phone (312) 663-9000
CIRCLE 100 QN READER SERVICE CARD CIRCLE 11 ON READER SERVICE CARD
UPGRADE YOUR
AutoAnalyzer WITH OUR
New
AS-175™Automatic Sampler . - 175 sample capacity " Digital Tinning Uses 2, 4, or 5 ml disposable I sample cups or glass tubes 1 Interfaces directly with | existing equipment • Computer compatible
®
ALPKEM A n o t h e r I n n o v a t i o n in C o n t i n u o u s Flow F r o m : ALPKEM CORPORATION P.O. B o x 1260 Clackamas, O r e g o n 97015
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Phone:800-547-6275 or 503-657-3010 *TM Technicon Instrument Corp.-Tarrytown, N.Y. CIRCLE 2 ON READER SERVICE CARD
1388 A · ANALYTICAL CHEMISTRY, VOL. 53, NO. 12, OCTOBER 1981
Hellma—the largest assortment of highest precision glass a n d quartz cells. Standard · Flow-through • Constant-temperature A n a e r o b i c · Special Designs A l s o a v a i l a b l e - U L T R A V I O L E T LIGHT SOURCES Deuterium Lamps · Mercury Vapor Lamps H o l l o w Cathode Lamps · Power Supplies
HELLMA CELLS,
INC.
Write for literature Box 544 Borough Hall Station Jamaica, New York 11424 Phone (212) 544-9534
CIRCLE 97 ON READER SERVICE CARD