Air-mail any service-worn standard, 4-filament
THERMAL CONDUCTIVITY GAS CHROMATOGRAPHY DETECTOR
TEFLON LINED VARIAB INFRAR CELLS
VT-01
We air-mail back your own unit, as good or better than new:
CLEANED, RE-FILAMENTED-LEAK, DRIFT and NOISE-TESTED on HELIUM From $60.00 F.O.B. Madison, N. J. UP-GRADE YOUR DETECTORS NOW! Ask for up-grading recom
mendations on new Higher Resistance Filaments for Greater Signal, Longer Life. REFER TO GOW-MAC B U L L E T I N FIL for SPECIFICATIONS on
FILAMENTS
RESISTANCE
W-9225 W-2 WX New RHENIUM-TUNGSTEN W-2X New RHENIUM-TUNGSTEN
18 ohms cold 40 ohms cold 30 ohms cold 60 ohms cold
NEW GOW-MAC FACILITIES! Enlarged production and testingfacilities, combined with experienced personnel, make possible the new GOW-MAC 48-hour repair service.
G O W - M A C INSTRUMENT COMPANY 101 KINGS ROAD, MADISON, NEW JERSEY 07940
Circle No. 146 on Readers' Service Card
54 A
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ANALYTICAL CHEMISTRY
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Tel. 201-377-3450
With this precision variable cell, only inert T e f l o n and w i n d o w material can touch your sample. You can readily vary its path length f r o m Ο t o 5 m m —set a n d read directly t o 0.6 micron. T h e cell, w i t h one inch aperture, is filled through a single Teflon port. T h e V T - 0 1 is easy t o flush, clean and reassemble w i t h o u t any loss o f accuracy. This relia ble stainless steel variable cell fits all American and m o s t British s p e c t r o p h o t o m e t e r s . Y o u will find t h e V T - 0 1 invaluable f o r a n y IR a n a l y s i s w h e r e q u i c k path length change a n d precise reproducibility is needed. For more details and prices call or write
RESEARCH
CORPORATION
P.O. BOX 8 5 2 , D A R I E N , C O N N . Phone: (203) 655-3991 Circle No. 197 on Readers' Service Card Circle No. 28 on Readers' Service Card
