NYLAB
new., for spectroscopic research
presents...
Large Aperture Monochromator for the U-V, visible, or l-R Provides w i d e range, .20 microns to 2 6 . 0 microns; easy prism interchange; has excellent l i g h t - g a t h e r i n g p o w e r ; no vignettes. Designed for use free standing or on accessory bar. With optional Schwarz Thermopile, this m o n o c h r o m a t o r can b e used as an 1 -R spectrometer. Two of these instruments, c o u p l e d , form an efficient double monochromator.
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for
complete
descriptive
literature
of these and Hilger
&
other
Watts
Scientific
Instruments
ENGIS 431
H o l l o w Cathode Lamps gas sealed for operating ease P r o d u c e s t e a d y f i n e lines, ideal for reference spectra; with good emission from visible to U-V. Can be used for w a v e length c a l i b r a t i o n , high resolution and atomic absorption. Require no cooling. Range of cathode materials a v a i l able includes simple metallic elements as well as some radioactive isotopes.
SOUTH
EQUIPMENT
DEARBORN
ST.
·
TELEPHONE: HARRISON
THE BECKMAN DK SPECTROPHOTOMETER . . . . u s e d i n more a p p l i c a t i o n s t h a n a l l other recording spectrophotometers combined. The DK Spectrophotometer is automatic and simple to use . . . has excellent coverage of ultraviolet, visible and near infrared spectral regions... with wavelength range of 185 to 3500mu plus optional optics for probing the far-ultraviolet to 175mu . . . makes analyses faster, turns out more analyses using same number of laboratory personnel... lowest priced recording spectrophotometer available.
You can arrange for a demonstration . . . more technical information . . . or for immediate delivery. Write or call today.
COMPANY
CHICAGO
5,
ILL·.
7-3223
AFFILIATED WITH HILGER & WATTS, INC
New York Laboratory Supply Co., Inc. 76-78
Circle No. 129 on Readers' Service Card
122 A
·
ANALYTICAL CHEMISTRY
VA RICK
STREET
NEW
Circle No. 73 on Readers' Service Card
YORK
13. N Y
