NEWS
Can you prepare 1000 ml. 1/10 Ν Sodium Hydroxide for $2.— in 2 minutes ?
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Australian Spectroscopy Conference The Fourth Australian Spectroscopy Conference, sponsored by the Spectros copy Committee of the Australian Academy of Science, will be held at the Australian National University, Can berra, Australia, from August 20 to 23. The principal invited speaker will be Dr. G. Herzberg, F.R.S., Director, Divi sion of Pure Physics, National Research Council of Canada. The conference will cover all aspects of pure and applied spectroscopy. There will also be an exhibition of spectroscopic and related equipment. Abstracts of papers should be submitted before May 15. More information may be obtained by writing to Prof. A. N. Hambly, Aus tralian National University, Canberra, Australia.
WATERS LIQUID CHROMATOGRAPHY MONITOR .COLUMN
i,
Industry Items
CONTROL
UNIT
Blake Equipment Co., 409 Grand Ave., Englewood, N. J., has been ap pointed agent for the Nuclear-Chicago Qualicon industrial product line, includ ing nuclear process gages for continuous measurement and control of liquid density, percent solids, bulk density, and bulk moisture.
ACCULUTE for rapid preparation of standardized volumetric solutions. Saves time, dol lars and errors in thou sands of laboratories. Complete range of con centrates in stock, orders shipped same day as re ceived. Acculute is sealed in convenient polyethylene or glass ampoules and can be kept indefinitely. Sample price list: Acid Hydrochloric
1 Ν $2.25
Iodine
N / 1 0 $2.25
Sodium Thiosulphate. . . . N / 1 0 $2.00 At leading laboratory supply houses across U.S.A. a n d C a n a d a .
For complete price list write to
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NACHEMIA
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CHAMPLAIN, Circle No. 18 on Readers' Service Card 56 A
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ANALYTICAL CHEMISTRY
N.Y.
ChemTrac Corp., producer of certi fied tagged chemicals, has become the wholly owned subsidiary of BairdAtomic, Inc. Gallard-Schlesinger Chemical Mfg. Corp. is the exclusive distributor for thin layer chromatography equipment manufactured by Serva, Heidelberg, Germany. Siemens New York Incorporated has officially changed its name to Siemens America Incorporated. The company imports and sells products from the Siemens Organization of Germany including electron micro scopes, and medical and industrial x-ray equipment. Wilkens-Anderson Co., 4525 W. Division St., Chicago 51, 111., has been appointed by Unicam (Cambridge, England) as a distributor for its line of spectrophotometers. The company will stock a complete inventory of re placement parts for all instruments in its Chicago plant. Wilks Scientific Corp., Box 32, Noroton Heights, Conn., is a newly formed company specializing in instru ment development for chromatography and spectroscopy. The company offers an attenuated total reflectance (ATR) infrared service, whereby infrared spec tra are obtained by ATR and in terpreted (if necessary).
T h e liquid c h r o m a t o g r a p h y t e c h n i q u e is a p a r t i c u l a r l y v a l u a b l e a n a lytical tool to the f o o d , drug, rubber, medical, pharmaceutical and heavy c h e m i c a l i n d u s t r y b e c a u s e it a l l o w s analysis without subjecting the s a m ple t o h i g h t e m p e r a t u r e s w h i c h m a y d e s t r o y or b r e a k d o w n t h e t r u e s a m ple. In l i q u i d c h r o m a t o g r a p h y the s a m p l e is i n t r o d u c e d t o t h e c o l u m n in its t r u e l i q u i d s t a t e or as a s o l i d d i s s o l v e d in a l i q u i d . A n e l u t i n g s o l v e n t then carries the s a m p l e t h r o u g h the c o l u m n . The d e v e l o p m e n t of this t e c h n i q u e has lagged far behind gas c h r o m a t o g r a p h y because of the lack of a universal, sensitive column m o n itoring device. The Waters Miniature Liquid Chromatography Monitor (LCM) w a s d e v e l o p e d in c l o s e c o - o p e r a t i o n w i t h the Proctor & Gamble Company, Cin cinnati, Ohio to provide this m u c h needed simple, inexpensive, small volume, versatile monitor. T o m a k e installation easy and obtain rapid re s p o n s e t h e W a t e r s L C M is d e s i g n e d for integral mounting with the column.
LOW COST $525.00 SMALL VOLUME 0.37 cc FAST RESPONSE 2 SEC. FULL SCALE W A T E R S ASSOC. INC. 45 FRANKLIN ST. F R A M I N G H A M , MASS. AREA
CODE
617
872-6528
S e e u s at Pittsburgh Conference, Fourth Floor Booth F-80. Circle No. 11 on Readers' Service Card
