ANALYSIS OF PHENOLIC TYPE ANTIOXIDANTS - CAPILLARY GAS-CHROMATOGRAPHY

Authors
CHOPRA SK KAPOOR VB VISHNOI SC BHAGAT SD
Citation
Sk. Chopra et al., ANALYSIS OF PHENOLIC TYPE ANTIOXIDANTS - CAPILLARY GAS-CHROMATOGRAPHY, Erdol und Kohle, Erdgas, Petrochemie vereinigt mit Brennstoff-Chemie, 47(6), 1994, pp. 230-233
Citations number
14
Categorie Soggetti
Energy & Fuels","Engineering, Chemical",Geology,"Engineering, Petroleum
Journal title
Erdol und Kohle, Erdgas, Petrochemie vereinigt mit Brennstoff-Chemie → ACNP
ISSN journal
03670716
Volume
47
Issue
6
Year of publication
1994
Pages
230 - 233
Database
ISI
SICI code
0367-0716(1994)47:6<230:AOPTA->2.0.ZU;2-N
Abstract
A simple gas chromatographic (GC) procedure has been developed to esti mate the individual alkylated phenols used as antioxidants to improve the shelf life of fuels and lubricants. Preparative gas chromatography was applied for separation and collection in sufficient quantity of t he isomers of tertiary butyl, octyl and dodecyl phenols prepared by ca talytic alkylation of phenol with isobutylene or its oligomers. The se parated fractions were characterised by Infra-red spectrometry (IR) an d paper chromatography. Out of several GC columns studied, a high reso lution capillary column of 100% Methyl, Silicone gum (SE-30) as statio nary phase gave best results. Data generated on various pac and capill ary columns are in good agreement.