LABORATORY DATA CONTROL

LDC/Cheminert glass and Teflon columns further ensure that samples will be purewhen eluted. Chemically inert sample injectors and pulse-free CMP pumps...
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LDC/CHEmiNERS îfî* The simplest to getleak-free.,chemically •L· inert gel filtration/LC.

Send today ' # % * for c o m p l e t e i n f o r m a t i o n . Please send literature on the LDC/Cheminert starter kit and products for HPLC and column monitoring. Name Company Address City

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/£ Kn Never lose or denature a gel filtration sample again. L D C / C h e m i n e r t Teflon couplings, tube end fittings, adapters and connectors permit you to neatly mate various sizes of t u b i n g and connect Teflon to glass or plastic fittings. Finger tightened connections are all that are necessary to make a chemically inert, leak-free liquid transfer system at pressures to 500 psi. L D C / C h e m i n e r t glass and Teflon columns further ensure that samples will be pure w h e n eluted. Chemically inert sample injectors and pulse-free C M P pumps, w i t h zero dead v o l u m e f l o w passages, perfectly layer precise q u a n tities of sample at the t o p of the c o l u m n for m a x i m u m t h r n n p h n u t in m i n i m u m timp t h r o u g h p u t in m i n i m u m time. Get acquainted w i t h the convenience, efficiency and

economy of the L D C / C h e m i n e r t system w i t h our i n t r o ductory starter kit. Send today for complete details o n the starter kit and more than 200 of our products for HPLC and c o l u m n m o n i t o r i n g .

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LABORATORY DATA C O N T R O L DIVISION OF MILTON ROY COMPANY · B o x 1 0 2 3 5 ' Interstate Industrial Park Riviera Beach, Florida 33404 Phone: (305) 844-5241 or Telex 513479.

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CIRCLE 138 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 47, NO. 1 1 , SEPTEMBER 1975 · 937 A