Y O U T O L D US THAT WE ALWAYS HAD THE BEST INFRA RED SPECTROPHOTOMER IN THE ECONOMY CLASS, (WITH THE ONLY SHORTCOMING THAT IT COULD NOT BE SCANNED BY HAND).
PRECISION APPARATUS AND INSTRUMENTS FOR THE
ANALYTICAL CHEMIST 460 SERIES ROTAMETERS These Flowmeters offer: • Wide angle visibility. • H i g h accuracy. • Tubes a r e easily r e m o v e d b y h a n d f o r c l e a n i n g or c h a n g i n g f l o w r a n g e . • A v a i l a b l e in stainless steel or a l u m i n u m , w i t h or w i t h o u t the control v a l v e . • Clear plastic shield p r o v i d e d f o r t u b e protection a n d safety.
MODEL H-1200MK2 Hilger & Watts Infragraph
NOW Y O U CAN GET THE
NEW INFRAGRAPH H-1200 MK2
CHROMATOGRAPHY COLUMNS • H i g h Pressure columns m a n u f a c t u r e d o f precision bore glass t u b i n g a n d stainless steel fittings. • Features: O n - c o l u m n sample injection. C o n t a m i n a t i o n free construction. • A complete line of l o w cost ascending or g r a v i t y f e e d columns w i t h associated s a m p l e injection syringes.
WITH H A N D SCAN FEATURE A N D READ-OUT A T THE NEW LOW PRICE OF $3250. THE I N F R A G R A P H REMAINS U N E X C E L L E D Q U A L I T Y AMONG LOW-COST INSTRUMENTS THESE FEATURES: •
FOR AND
Fastest recording speed for quality routine spectra
(VA - 3 min.).
•
Continuously variable speed control
(IY2 - 20 min. scans). through
linear
flexible fold-back
covers.
nulling
system
sizes.) •
GLASS & QUARTZ JOINTS
Highest quantitative accuracy
guillotine
recording
charts. 2 chart
H
•
attenuator.
available.
(Flow
and
Instant accessibility
Maximum
•
accessory
Most
Offered in Three Styles
single
• S t a n d a r d Taper, Ball & Socket a n d the p a t e n t e d "Solv-Seal". • Easy disassembly. • I n t e r c h a n g e a b l e parts. • Q u a r t z or Borosilicate glass units in stock. • Low cost. • Immediate delivery.
through flexibility
through corner arrangement of sampling space.
H
Out
standing reliability due to rugged construction and high quality of components used. Close-up
view
panel
with
wheel
and
of
hand
control scanning
frequency
read
out scale. A new continuous filter
system is used which
completely on
eliminates
mechanical
wear
linkages and
filter spikes in recordings.
CONTACT US FOR DETAILED I N F O R M A T I O N O N THIS SUPERIOR L O W - C O S T IR SPECTROPHOTOMETER OR CALL US FOR A D E M O N S T R A T I O N .
R A N K PRECISION INDUSTRIES, INC. ANALYTICAL D I V I S I O N 260 N. RI. 303 411 JarviS Ave. 4351 Tujunga Ave. 1111 Finch Ave. W West Nyack. Ν-Υ 10094 Des Plaines. III. 60018 Studio City, Calif. 91604 Downsview. Onlano. Canada (914) 358-4450 (312) 297-7720 (213) 985-3963 (416) 630-4514
CIRCLE 1 5 8 O N READER SERVICE CARD
70 A
•
ANALYTICAL CHEMISTRY, VOL. 43, NO. 6, MAY 1971
"SOLV-SEAl" JOINT
CUSTOM GLASS & QUARTZ Fabrications to Meet all Analytical Requirements Mastercraftsmen Glass-Blowers of: • Condensers. • Distilling a p p a r a t u s . • Extraction a p p a r a t u s . • Custom a p p l i c a t i o n s & special requirements. • Guaranteed workmanship.
Lab-Crest/
ASCN DREWS IENTIFIC DIVISION FISCHER & PORTER COMPANY
1551 COUNTY LINE RD., WARMINSTER, PA. 18974 CIRCLE 6 2 O N READER SERVICE CARD
