Exploratory Analysis of Biodiesel by Combining Comprehensive Two-Dimensional Gas Chromatography and Multiway Principal Component Analysis

被引：10
|
作者：
Mogollon, Noroska G. S. [1 ,2 ]
Ribeiro, Fabiana A. L. [1 ]
Poppi, Ronei J. [1 ,3 ]
Quintana, Araceli L. [2 ]
Chavez, Juan A. G. [2 ]
Agualongo, Darwin A. P. [2 ]
Aleme, Helga G. [4 ]
Augusto, Fabio [1 ,3 ]
机构：
[1] Univ Estadual Campinas, Inst Quim, CP 6154, BR-13083970 Campinas, SP, Brazil
[2] Univ Estatal Bolivar, Dept Invest, Campus Univ Laguacoto 2,Km 1,Via San Simon, Canton Guaranda, Provincia Boliv, Ecuador
[3] Univ Estadual Campinas, Inst Quim, Dept Quim Analit, Inst Nacl Ciencia & Tecnol INCT Bioanalyt, BR-13083970 Campinas, SP, Brazil
[4] Univ Fed Sao Paulo, Inst Ciencias Ambientais Quim & Farmaceut, Dept Ciencias Exatas & Terra, Campus Diadema, BR-09972270 Diadema, SP, Brazil
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2017年 / 28卷 / 05期
基金：
巴西圣保罗研究基金会;
关键词：
biodiesel; comprehensive two-dimensional gas chromatography; multiway pattern recognition; multiway principal component analysis; ESSENTIAL OILS; SEPARATIONS;
D O I：
10.21577/0103-5053.20160222
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Comprehensive two-dimensional gas chromatography (GCxGC) was used in this work in order to reveal and identify minor compounds of several raw materials in biodiesel samples, which are not detected by conventional GC analysis. Multiway principal component analysis (MPCA) of the chromatographic profile allowed to identify compounds as C15: 1n-3, C18: 2n-6, C20: 1n-6, C20: 3n-3, C20: 3n-6, C20: 4n-6 C20: 5n-3, C21: 1n-6, C22: 1n-9, C23: 1n-9, C24: 1n-9 multi-unsaturated which were useful tracers to discriminate between biodiesel samples. In this way, the separation power of GCxGC combined with the MPCA algorithm proved to be a valuable strategy for biodiesel samples classification, allowing identification and providing additional compounds of the commonly known as chemical profile of biodiesel samples.
引用
收藏
页码：740 / 746
页数：7
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