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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 4
BKCSDE 22(4)
April 20, 2001 
 
Title
 Separation of Positional Isomers on a Calix[4]arene-methylsiloxane Polymer as Stationary Phase in Capillary GC
Author
 Jung Kee Suh, In Whan Kim, Seung Hyun Chang, Byoung Eog Kim, Jae Wook Ryu, Jung Hag Park
Keywords
 Positional isomers separation, Calix[4]arene-methylsiloxane polymer, Stationary phase, Capillary GC.
Abstract
 Poly(p-tert-butyltrimethoxymonopropyloxycalix[4]arene-methylsiloxane) (TBCX-MS) has been prepared and used as a stationary phase in isothermal capillary gas chromatographic separation of some positional isomers. Retention factors (k) and separation factors (α) for the isomers were measured and compared with those on poly(p-tert-butyl-dimethoxydipropyloxycalix[4]arene-tetramethyldisiloxane) (TBCX-TMDS), poly(dimethoxydipropyloxycalix[4]arenetetramethyl-disiloxane) (CX-TMDS). Most of the isomers investigated are well resolved on TBCX-MS. Retention of all the compounds decreases on the three phases in the order, TBCX-TMDS ≥ TBCX-MS > CX-TMDS. Similar retention values on TBCX-TMDS and TBCX-MS seem to indicate that retention property of the two phases is not significantly affected by the spatial position of the calixarene moiety.
Page
 409 - 412
Full Text
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