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[Determination of 2,5-ditertiary butylhydroquinone by gas chromatography]
1College of Food & Biological Eng., South China Univ. of Tech., Guangzhou 510641, China.
Se Pu = Chinese Journal of Chromatography
|January 30, 2003
Abstract:
Antioxidant 2,5-ditertiary butylhydroquinone was prepared from hydroquinone and tertiary butyl alcohol. A normalized gas chromatographic method for 2,5-ditertiary butylhydroquinone by using an OV-101 fused silica capillary column and flame ionization detector is reported. The quantities of hydroquinone, tertiary butylbenzoquinone, tertiary butylhydroquinone and 2,5-ditertiary butylbenzoquinone mixed with 2,5-ditertiary butylhydroquinone were also determined.