Glycerol Determination in Biodiesel and Biodiesel Blends According to ASTM D 7591

被引：0
|
作者：
Gandhi, J. [1 ]
Wille, A. [1 ]
机构：
[1] Metrohm, Herisau, Switzerland
来源：
LC GC EUROPE | 2013年
关键词：
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The presented ion chromatographic (IC) method is applicable to all biodiesel types and blends. Before chromatographic separation, free glycerol and bound glycerol are isolated by a straightforward extraction and saponification-extraction technique. Pulsed amperometric detection (PAD) following chromatographic separation achieves an outstanding method detection limit (MDL) of 0.5 ppm by mass for glycerol and therefore easily fulfills ASTM and EN performance specifications. The described method fully complies with ASTM D 7591.
引用
收藏
页码：10 / 13
页数：4
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