A New Dimension For GPC/LC -an Infrared Detector from WILKS By setting the appropriate IR wavelength, the MIRAN® GPC/LC IR detector responds to GPC/LC fractions on a functional basis, thus adding a quali tative dimension to liquid and gel permeation chro matography. The condensed chart below shows how this new detector can be applied to various solvent systems. * MIRAN GPC/LC IR Detector — available in three models.
Solvent/Functional Group Correlation Chart* AMIDE I Typical Wa»elenoths Utilued Few Functional Group Monitoring With An Infrared Detector
ACID CARBONVL OH a NH
C-H
ISOCYANATE
ESTER CARBONYL
KETENE ' TRIAZINE (IN MELAMINE)
AMIDE II
PMTHALATE ESTER
POLYETHYLENE OXIDE
(LINIAR I CYCLIC) OXIRANE
PHENYLΊ POLYSTYRENE .
ACETONITRILE
CARBON DISULFIDE
CAftBON TETRACHLORIDE
CHLOROFORM
CYCLOHEXANE
YLENE CHLORIDE
ISO OCTANE
TETRACHLOROETHYLENE
RICHLOROBENZENE (1,2,3) 650 cm"
Region» in solvent spectra lufltclently Iran tparrrnt lof u»va wllh an inharad dttaclor
Opaque al pain»
3mm pain or ahorlar
(§) Registered Trademark
MIRAN IR Detector Features: •
WAVELENGTH SELECTION — DETERMINES FUNCTIONAL GROUP DISTRIBUTION.
•
RESPONDS TO ALL ORGANIC SUBSTANCES.
INSENSITIVE TO FLOWRATE OR TEMPERATURE VARIATIONS.
•
FLOW THROUGH CELL VOLUME AS LOW AS 5 MICROLITERS AND HEATABLE TO 200°C.
* Write for your copy of the full-size version of the Wilks S o l v e n t / F u n c t i o n a l Group Correlation Chart and complete information on the MIRAN G P C / L C Infrared Detector.
WILKS Box 449, South Norwalk, Connecticut 06856 (203) 853-1616
•
U.K. Office: Wilks Scientific Limited, 64 Burners Lane, Kiln Farm, Milton Keynes, Buckinghamshire, ENGLAND
CIRCLE 232 ON READER SERVICE CARD 478 A • ANALYTICAL CHEMISTRY, VOL. 49, NO. 6, MAY 1977
