HERE'S THE NEW GENERATION, TOO, IN SPECTRO PHOTOMETRY, DATA READOUT AND RECORDING "| ^ ^ ^ ^ W ^
Spectronic* 505 Spectrophotometer T h e best buy in a double-beam, double-grating, ratiorecording spectrophotometer. Nar row, constant bandpass—5A and 50A standard. Precision Spectrophotometer
Bausch a Lomb Infrared
Oversize s a m p l e c o m p a r t m e n t , choice of collimating or focusing op tics. Precision performance a n d ac curacy. Constant bandpass—2A, 5A or 20A. Spectronic 600 Spectrophotometer 3 syn chronous scanning speeds —10 πιμ, 50 mu, and 250 mu/minute—forward and reverse slewing speeds make this a speedy, sensitive, and simple-to-operate instrument. Wavelength accuracy and bandpass constant—5A over the entire range.
If y o u ' r e looking for t o t a l p e r f o r m a n c e in a n I R i n s t r u m e n t , y o u c a n g e t i t with the Bausch & Lomb/Shimadzu 270 I R . A u n i q u e l y d e s i g n e d , a u t o matic grating-and-filter interchange lets you record absorption spectra c o n t i n u o u s l y over t h e e n t i r e 4 0 0 0 - 4 0 0 w a v e n u m b e r r a n g e — w i t h no scanning stop. T h e 270 I R h a s e x c e p t i o n a l l y high resolution, ± 0 . 5 % t r a n s m i t t a n c e accuracy, 0 . 5 % transmittance repro d u c i b i l i t y , a n d four s c a n n i n g s p e e d s — 1 0 , 20, 4 5 , a n d 90 m i n u t e s . T h e t o t a l p e r f o r m a n c e of t h e 2 7 0 I R will m a k e your I R procedures simpler a n d m o r e reliable t h a n ever before. O u r Brochure 33-6009 has the complete s t o r y or y o u c a n see for yourself w i t h a working demonstration. A full line of accessories available for all i n s t r u m e n t s . F o r f u r t h e r informa tion w r i t e B a u s c h & L o m b , 9 0 2 0 3 B a u s c h S t r e e t , R o c h e s t e r , Ν . Υ. 14602.
See us at the Pittsburgh Conference, Booths 158-161, Cleveland Public Auditorium Circle No. 190 on Readers' Service Card See ACS Laboratory Guide for All Products/Sales Office
Spectronic 20 Colorimeter ™ Spectrophotometer φ ^ T h e most popu, lar dual purpose unit on the market. Noted for sta bility, low stray light, high sensi tivity. ___ """" m
Concentration Computer Fast, simple, fully automatic way to obtain concentration readings for any solution that con forms to Beer's law. Works with all Bausch & Lomb Spectrophotome ters, can be adapted to many other meter instruments.
V.O.M. Recorders 5-inch strip chart recorder that measures and records volts, ohms, milliamps directly. 3 models with different full scale sensitivity and a log/linear model.
BAUSCH & LOMB ANALYTICAL SYSTEMS DIVISION
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