New HPLC Column News EM LABORATORIES VOL. I, NO. 1
NEW HIBAR-II ELMSFORD, NY (EM) EM Laboratories has just intro duced a brand new, totally dif ferent line of prepacked columns for H P L C - Hibar-II.
t i o n , g e l p e r m e a t i o n , a n d ion exchange chromatography. Two d i f f e r e n t p a r t i c l e s h a p e s : ir regular s h a p e d , totally porous (LiChrosorb®) and totally spher ical s h a p e d p o r o u s ( L i C h r o spher®), and t w o different parti cle sizes . . . 5 a n d 10 m i c r o n .
BRAND NEW HIBAR-II HARDWARE The Hibar-II c o l u m n s are 25 c m long a n d have an inside diameter of 4.6 m m . Hibar-II c o l u m n s are adaptable t o all modular or unitized HPLC sys tems, featuring zero dead volume fittings. Each column contains r e m o v a b l e / c l e a n a b l e frits for e x t e n d e d life.
WIDE RANGE OF PREPACKED SORBENTS But t h e best news is that Hi bar-II c o l u m n s are p r e p a c k e d with t h e entire line of great sor bents from E. Merck, Darmstadt, Germany. That means c o n v e nience and versatility like you've never before enjoyed in HPLC. Sorbents for partition, adsorp-
For your price c o n v e n i e n c e and service, Hibar-II columns are available f r o m s e l e c t e d nation w i d e scientific supply houses. You need all t h e facts on this important d e v e l o p m e n t in our i n d u s t r y , so w r i t e t o d a y f o r complete technical informa tion and t h e name of your near est stocking distributor.
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EM Laboratories, Inc. associate of
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E. Merck, Darmstadt, Germany 500 Executive Boulevard Elmsford. N.Y. 1 0 5 2 3 (914) 5 9 2 - 4 6 6 0
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ANALYTICAL CHEMISTRY, VOL. 49, NO. 11, SEPTEMBER 1977 · 909 A