Gas chromatographic analysis of free steroids in biodiesel
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- 作者：Kelly S. Bezerra ; Nelson R. Antoniosi Filho ; nelson@quimica.ufg.br" class="auth_mail
- 关键词：Free steroids ; Biodiesel ; Gas chromatograph ; Characterization
- 刊名：Fuel
- 出版年：15 August 2014
- 年：2014
- 卷：130
- 期：Complete
- 页码：149-153
- 全文大小：708 K
文摘
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Ten biodiesel types from various raw materials were studied in composition free steroids.
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Contents of steroids present in biodiesel determined by GC-FID showed great variability among them.
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Results obtained by GC–MS were used in identification of steroids quantified.
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Types of steroids present in biodiesel and its own peculiar distribution showed that some steroids were exclusive.
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Composition of steroids in this study allows the identification of different types of biodiesel in a blend them.