44 A
ANALYTICAL
CHEMISTRY
ANALYSIS FOR EFFICIENCY
Baird associates
INFRARED RECORDING SPECTROPHOTOMETER I N APPROXIMATELY 12 MINUTES . . . infrared spectrograms are a u t o m a t i c a l l y r e c o r d e d in d i r e c t p e r c e n t t r a n s m i s s i o n w i t h linear w a v e l e n g t h scale, giving a c c u r a t e a n a l y sis, for q u a l i t y c o n t r o l or for solution of general chemical p r o b l e m s .
GASES, LIQUIDS, and
T h e packaged Continuous Reaction Hydrogénation equip-
SOLIDS
, , . can b e a n a l y z e d w i t h equal r a p i d i t y a n d accu r a c y . T h e infrared t e c h n i q u e is p a r t i c u l a r l y v a l u a b l e in a n a l y z i n g t h e m o r e c o m p l i c a t e d o r g a n i c c o m p o u n d s (see s p e c t r o g r a m a b o v e of cholesterol in c a r b o n disulfide). In t h e d e t e r m i n a t i o n of spacial isomers, w h e r e c o n v e n t i o n a l methods are troublesome and time-consuming, infrared m e t h o d s are fast a n d e x a c t .
DIFFERENTIAL ANALYSIS . . .
Volumetric capacity of catalyst chambers is 2 liters each. The feed capacity of p u m p is 2.4 gallons per hour. This unit was designed for operation at 5 0 0 0 p.s.i., and 1000° F. maximum temperature. The pressure and temperature
Autoclave Engineers. Inc. are specialists in equipment for high pressure reactions for research and pilot plant operation, both for continuous and single pass (batch! work with suspended or fixed bed catalysts, including high and low temperature separators and solvent extractors - . for operation at temperatures as high as 1000° F. and presadapted to Research or Pilot plant use.
Chart Size — Linear scales: Transmission Sl/$ in. Wavelength 17Ά in. Recording Speed — 12 min utes for complete spectro gram
C A R R I E D I N S T O C K : A complete line of valves and fittings, for pressures of 6,000 to 100,000 p.s.i. W e also engineer and manufacture autoclaves with capacities of 1 liter to 20 gallons operating at pressures from 6000 to 15,000 p.s.i.
XXX. Baird Associates will gladly confer with you regard ing the application of this instrument to your needs.
Baird Associates,
Specialized Engineering service available for all of your high pressure problems. Write for your free copy of ueu catalog 100 C
Inc.
INDUSTRIAL PHYSICISTS 33 University Road
independent
operation, with high and low temperature separators.
sures up to 50,000 p.s.i. Capacity charging rates can be
SPECIFICATIONS
For detailed description and specifications of the Baird Associates Infrared Spectro photometer, request Bulletin
ment shown above is a typical unit, consisting of catalyst chambers, arranged for series-tandem or
are automatically controlled and recorded.
b y m e a n s of t h e exclusive d o u b l e - b e a m prin ciple e m p l o y e d in t h e B a i r d Associates I n f r a r e d Spectrophotometer . . . greatly simplifies a n a l y s i s of m i x t u r e s for slight i m p u r i t i e s a n d for v a r i a t i o n from a s t a n d a r d . I n fact, com plex a n a l y s e s a r e r e d u c e d , b y t h i s a u t o m a t i c i n s t r u m e n t , t o r o u t i n e t a s k s for a l a b o r a t o r y technician.
Spectral Range — 2 t o 16 microns (linear) Precision — Transmission ±1% Wavelength ± 0.02 microns
AUTOCLAVE ENGINEERS, INC. CONTINUOUS REACTION HYDROGENATION EQUIPMENT
Cambridge 3β, Massachusetts
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