New method for benzo[a] pyrene analysis in plant material using subcritical water extraction

被引：23
|
作者：
Sushkova, Svetlana N. [1 ]
Vasilyeva, Galina K. [2 ]
Minkina, Tatjana M. [1 ]
Mandzhieva, Saglara S. [1 ]
Tjurina, Irina G. [1 ]
Kolesnikov, Sergei I. [1 ]
Kizilkaya, Ridvan [3 ]
Askin, Tayfun [4 ]
机构：
[1] Southern Fed Univ, Rostov Na Donu, Russia
[2] Russian Acad Sci, Inst Physicochem & Biol Problems Soil Sci, Pushchino 142292, Moscow Region, Russia
[3] Ondokuz Mayis Univ, Samsun, Turkey
[4] Ordu Univ, Ordu, Turkey
来源：
JOURNAL OF GEOCHEMICAL EXPLORATION | 2014年 / 144卷
基金：
俄罗斯基础研究基金会;
关键词：
Benzo[a]pyrene; Plants; Subcritical water extraction; Hexane extraction; POLYCYCLIC AROMATIC-HYDROCARBONS; PRESSURIZED LIQUID EXTRACTION; SUPERCRITICAL-FLUID EXTRACTION; HOT-WATER; ENVIRONMENTAL SOLIDS; PAHS; CHROMATOGRAPHY; MATRICES; SOILS;
D O I：
10.1016/j.gexplo.2014.02.018
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
A new method for benzo[a] pyrene (BaP) analyses in plant material was developed using subcritical water extraction followed by HPLC analyses of the extracts. BaP extraction efficiency was determined by spiking grass vegetation collected from a preserve in Rostov Oblast (Russia). BaP recoverywas optimal with a 30-min extraction by water in a special steel cartridge at 250 degrees C and 100 atm. More than 98% of the BaP was recovered from the plant material using subcritical water extraction, compared to 72% recovery by saponification of the sample with conventional hexane extraction. Other advantages of subcritical water extraction are the use of water as an environmentally friendly solvent instead of large volumes of organic solvents as well as a shorter analysis time. (C) 2014 Elsevier B. V. All rights reserved.
引用
收藏
页码：267 / 272
页数：6
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