EXPOSITION
NEW BARNSTEAD
Booth: 57
BOTTLE PUMP
KURT J . LESKER C O .
Veman Ave. at Doyle Road, Pittsburgh 2 7 , Pa. Products to Be Exhibited: A m e r i c a n B a l a n c e Corp. new single-pan, direct reading deflection b a l a n c e , for a n a l y t i c a l w o r k ; I n d u s t r i a l I n s t r u m e n t s , Inc., self-balanci n g c o n d u c t i v i t y b r i d g e for c o n d u c t i m e t r i c titrations; Pressure Products Industries, Inc., high pressure Stirrco reactors, valves a n d fittings, c o n i n g a n d t h r e a d i n g t o o l ; Thermco Laboratories recording gas a n a l y s i s i n s t r u m e n t a t i o n , p o r t a b l e flue gas, a n d p o r t a b l e a t m o s p h e r e analyzers. Representatives at Exhibit: K u r t Lesker, R o b e r t R i c h a r d s o n , R o b e r t Wolf, H a r r y C. Becker, J o h n Williamson. General Product Line: M a n u f a c t u r e r s ' r e p resentatives handling instruments and e q u i p m e n t for r e s e a r c h a n d c o n t r o l in laboratories a n d process. Includes measu r e m e n t of v a r i a b l e s s u c h a s p H , c o n ductivity, gas purity, vacuum, and air velocity. E q u i p m e n t includes balances, ovens a n d furnaces, a n d high pressure reactors.
Booth:
Prevents Contamination OF DISTILLED WATER! PURIFIES AIR AS IT ENTERS CONTAINER
N o w if is possible to remove prejBtSe a m o u n t s of distilled water K O t n tanks or containers w h i l e at P0T*e same time protecting the unused contents from airborne contamination. T h e new Bottle P u m p effectively filters particulate matter as small as 0.2 micron from air before it enters the container. Bacteria, bacilli, organic vapors, alkali and acid gases, and C 0 2 are safely removed from air by an efficient filter unit. Extremely moderate first cost of P u m p is matched by long life of filter unit, which need only be replaced after 1000 gallons have been p u m p e d .
20
LINDBERG ENGINEERING CO. 2 4 5 0 West Hubbard St., Chicago 12, III. Products to Be Exhibited: N e w i n d u c t i o n furn a c e a d a p t a b l e for m e l t i n g s m a l l q u a n t i t i e s of f e r r o u s a n d n o n f e r r o u s m e t a l s t o p r e p a r e s p e c t r o g r a p h ^ s a m p l e s a n d as variable t e m p e r a t u r e , high t e m p e r a t u r e , v a c u u m or analytical furnace.
N . Y . Office K I n g s b r i d g e 8-1557
Representatives at Exhibit: S. J . M a c k , W . A. A n d r e w s , W . C . T h o m a s , G. U n t u l i s . General Product Line: A c o m p l e t e line of general purpose laboratorj- and research f u r n a c e s , h o t p l a t e s , c a r b o n a n d sulfur d e t e r m i n a t o r s , " H - F " u n i t s for c o m b u s t ing ferrous, nonferrous, a n d p e t r o l e u m samples are designed and manufactured b y Lindberg Laboratory Equipment Div. and are available from major laboratory supply dealers. A complete Lindberg "package u n i t " for l a b o r a t o r y a t m o s p h e r e r e s e a r c h is also m a n u f a c t u r e d .
/
O r d e r from your Lab Supply Dealer
Barnstead
STILL & STERILIZER CO.
9 Lanesville Terrace, Boston 3 1 , Mass. For further information, circle number 57 A-1 on Readers' Service Card, page 79 A
BURRELL
"For Scientists Everywhere"
THE
KROMO-TOG®
Booth: 52 H. S. MARTIN & CO. 1916-1920 Greenleaf St., Evanston, III. Products to Be Exhibited: D i s t i l l i n g and f r a c t i o n a t i n g e q u i p m e n t ; v a c u u m flasks; h i g h v a c u u m s t o p c o c k s ; diffusion p u m p s . Representatives at Exhibit: J . S. R o v e r , H . S. M a r t i n , D . E . L a w t o n . General Product Line: M a n u f a c t u r e r s of M a r t i n - M a d e scientific g l a s s w a r e , d i s tilling a n d fractionating equipment, high v a c u u m s t o p c o c k s , diffusion p u m p s , D e w a r flasks, g l a s s t o m e t a l seals, e t c . D i s t r i b u t o r s of G l a s - C o l m a n t l e s , P o w e r s t a t s , hydrometers, thermometers, quartzware, a n d l a b o r a t o r y supplies.
Booth:
W r i t e for Bulletin N o . 136. containing full details.
F o r Analysis
of Gases
and
Liquids
THE KROMO-TOG AND ACCESSORY APPARATUS PROVIDES THE LABORATORY WITH ALL BASIC INSTRUMENTATION FOR GAS CHROMATOGRAPHY
Typical Applications
Include:
• Separation of closely b o i l i n g isomers includi n g liquid h y d r o c a r b o n s . • Analysis for trace c o m p o n e n t s . • R o u t i n e , rapid c o n t r o l analysis for c o n t r o l component. • P r o p a n e in commercial b u t a n e . • Fixed gases in h y d r o c a r b o n s such as n i t r o g e n in natural gas. • Analysis of organic acids, alcohols, k e t o n e s , aromacics, esters and o t h e r classifications of organic liquids. • Particularly suitable for separating closely boiling c o m p o u n d s and d e t e r m i n i n g specific c o m p o n e n t s in c o m p l e x mixtures.
61
METTLER INSTRUMENT CORP. P. O . Box 2 4 2 , Hightstown, N . J.
Products to Be Exhibited: S t a n d a r d 2 0 0 - g r a m capacity analytical balance; same model a d a p t e d for w e i g h i n g b e l o w b a l a n c e ; M - 5 microbalance; K-5 and K-7 precision balances. Representatives at Exhibit: F r e d e r i c k C. Tobler, H a r r y W. Madden. General Product Line: C o m p a n y ' s a n a l y t i c a l b a l a n c e s f e a t u r e t h e following d e s i g n characteristics: single p a n , t w o k n i f e e d g e s , c o n s t a n t l o a d of b e a m , d i a l c o n t r o l of b u i l t - i n w e i g h t s . N e w e s t m o d e l , w i t h r e m o t e c o n t r o l for t h e h o t l a b o r a t o r y , h a s 5 0 0 0 - g r a m c a p a c i t y a n d r e a d a b i l i t y t o 0.5 mg. N e w high-speed precision balances w e i g h in 3 s e c o n d s .
"Démonstrations Arranged Prices on Request
BURRELL
Ask for Booklet N o . 8 3
© Trademark
CORPORATION
Scientific Apparatus and Laboratory Supplies 2 2 2 3 Fifth A v e n u e , P i t t s b u r g h 1 9 , P e n n s y l v a n i a For further information, circle number 57 A-2 on Readers' Service Card, page 79 A
V O L U M E
2 8,
NO.
2,
FEBRUARY
1956
57 A
