Eberbach CORPORATION

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The Eberbach Table Model Water Batn S h a k t r finds many applications in the fields of microbiology, biochemistry and chemistry. It provides continuous duty shaking in the range of 0 to 400 strokes per minute. The mechanical transmission assures constant speed in spite of variation in line voltage or in load Temperature of the bath can be controlled from ambient to 80°C plus or minus 0 . 5 X . Temperatures above 80°C can be obtained with an accessory auxiliary heater and gable type cover. For controlled atmosphere applications an accessory hood is available. Immersion depth is controlled 3 ways; adjustable carrier, adaptors and water level control. Stainless steel flask carrier is 14 by 10 inches. Model 6250 priced at

$485.00

Request catalog 60G

WATER BATH

P.O.

SHAKER

Box 1 0 2 4

Eberbach

Ann

Arbor,

Michigan

CORPORATION

Circle No. 3 on Readers' Service Card

35 Experts Discuss Theory, Techniques, and Applications

CHROMATOGRAPHY Edited b y E R I C H

H E F T M A N N , N a t i o n a l Institutes o f H e a l t h , B e t h e s d a , M a r y l a n d .

JHROMATOGRAFHT

December 1 9 6 1 .

7 8 0 pages.

6 x 9 .

$17.50

C h r o m a t o g r a p h y a n d e l e c t r o c h r o m a t o g r a p h y — a s both a science a n d a n a r t — h a v e c o m e of a g e . N o w t h e r e is a v a i l a b l e t o y o u a n o r g a n i z e d , u p - t o - d a t e a c c o u n t of t h i s e n t i r e field. Written with t h e assurance a n d authority of first-hand experience by thirty-five foremost international experts, t h e book cuts t h r o u g h a n a w e s o m e m a s s of bewildering literature t o bring to t h e scholar a n d researcher truly i m p o r t a n t a n d significant theory a n d practical know-how. For t h o s e w h o a r e s e e k i n g a b r o a d s w e e p o f t h e t o t a l f i e l d o f c h r o m a t o g r a p h y a n d e l e c trochromatography, for t h e investigator w h o desires a solution t o a particular p r o b l e m , for t h e r e s e a r c h w o r k e r w h o w i s h e s t o t a k e a d v a n t a g e o f a l l t h a t t h i s m o s t u s e f u l of s e p a r a tion t e c h n i q u e s c a n offer, H e f t m a n n ' s CHROMATOGRAPHY is t h e a n s w e r .

39 DAYS FREE TRIAL —MAIL THIS COUPON TODAY! R E I N H O L D P U B L I S H I N G CORPORATION Dept. M-970, 430 Park A v e n u e , N e w York 22, N e w York Send me a copy of H e f t m a n n ' s C h r o m a t o g r a p h y for 30 days' FREE TRIAL under t h e following terms: • Purchase price enclosed (Reinhold pays regular delivery charges) CONTRIBUTORS: Foreword by A r n e Tiselius, Nobel Laureate D. G. Anderson—W. E. C o n n — D . H . Desty— H. Fasold—P. Flodin—J. C. Giddings—C. H. Giles—A. Goldup—G. Gundlach—L. Hagdahl — J . B. Harborne—E. H e f t m a n n — J . J a n â k — R. A. Keller—A. I. M . K e u l e m a n s — G . N . Kowkawbany—R. Kunin—K. M a c e k — H . J . M c D o n a l d — H . M . M c N a i r — H . Michl—L. J . Morris—K. A. Piez—J. Porath—J. W. Porter— J. E. Powell—A. R o m e i k e — H . A. Saroff—G. Schoen—F. H. S p e d d i n g — H . H. Strain—F. T u r b a — H . F. Walton—L. Zechmeister.

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