New Products
some*
•"Si every· one
That just about describes Canalco's UV-visible, transmission-fluorescence, peak-calculating, gradient-scanning, column-monitoring, cuvette-measuring, baseline-integrating, 15 μ-resolving, Disc gel-to-10" plate-holding, trace-normalizing, super-versatile
Miniature valves a n d f i t t i n g c o m p o n e n t s for high-pressure lab and scale m o d e l pilot p l a n t research are available. Prod ucts are useful w h e r e pressures to 30,000 psi are required a n d w h e r e s m a l l v o l u m e s are d e s i r e d . Both m a n u a l a n d a u t o m a t i c valves in all s t a n d a r d con f i g u r a t i o n s a n d a full line of f i t t i n g s a n d a s s e m b l y c o m p o n e n t s are s u p p l i e d . Sci entific S y s t e m s , Inc. 814-237-6265 411
High-intensity grating monochromators w i t h digital w a v e l e n g t h display a n d op t i o n a l w a v e l e n g t h d r i v e are available in five easily i n t e r c h a n g e a b l e g r a t i n g as s e m b l i e s : 200-400, 350-800, 0.7-1.6, 1.43.2, a n d 200-800 n m . Five light sources are also available: x e n o n , super-pres sure m e r c u r y , high-pressure m e r c u r y , t u n g s t e n - h a l i d e , and d e u t e r i u m ; fixed a n d variable slits are o f f e r e d . $1250 to $2435. B a u s c h & L o m b . 716-232-6000 412
For a slightly less abbreviated / _ description, write:
CANALCO 5635 Fisher Lane Rockville, Md. 20852 or
CANALCOEUROPE P.O. Box 7 Vlaardingen, Holland
CIRCLE 32 O N
READER SERVICE CARD
Yes, Canalco's unique new Baseline Integrator gives you ali the benefits of a peak-calculating computer without buying one. Now you car: read percent-of-total, m g concentration or enzyme strength of eachpeak, A / G ratios, etc right off the chart trace . . . exclusively with Canalco Microdensitometers . . . without c o u r r m g pips or zigzags . . . without a slide rule or calculator or even a pencil 1
Recording Microdensitometer/ Spectro-Photometer — the n e w G II or its little brother, the new Κ II. F o r u s e with: T L C plates all electrophoretic media micrographs slides diffraction patterns gradient tubes autoradiographs films static cuvettes flow cuvettes, etc.
and a bonus too
X-ray energy spectrometer 5000A fea tures a 1024 X 20-bit m e m o r y , Lowes' livet i m e c o r r e c t i o n , pulse pile-up rejector, spectroscopy grade linear amplifier, a l p h a - n u m e r i c video display ( i d e n t i f y i n g X-ray energies and c o u n t s full-scale), d e t e c t o r bias s u p p l y , a n d a wide variety of r e a d o u t c a p a b i l i t i e s . A p p l i c a t i o n s are in m i c r o a n a l y s i s in c o n j u n c t i o n w i t h scanning-electron microscopes, pollu t i o n t r a c e analysis, q u a l i t y c o n t r o l , a n d p a t h o l o g y s t u d i e s . $8900. Kevex Corp. 415-697-6901 413 Microspectrofluorometer for t h e m e a u r e m e n t of f l u o r e s c e n c e excitation and e m i s s i o n spectra o c c u r r i n g in single cells, t i s s u e s e c t i o n s , etc., can be used for spectrophotometric measurements of a b s o r p t i o n a n d / o r percent t r a n s m i s s i o n , for s p e c t r o d e n s i t o m e t r i c m e a s u r e m e n t s by a b s o r p t i o n a n d scattered light, and for a u t o r a d i o g r a p h y . $15,000. Schoeffel I n s t r u m e n t Corp. 201-664-7263 414
F o r more about this fascinating advance in quantitative microdensitometry, write:
CANALCO o635 Fisher Lane RockviLe, Md. 20852 or
CANALCOEUROPE P.O Box 7 Vlaardingen, Holland
CIRCLE 33 O N
READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 44, NO. 12, OCTOBER 1972 · 97 A
