Determination of 2,4-Dichlorophenoxyacetic acid in food and water samples using a modified graphene oxide sorbent and high-performance liquid chromatography

被引：45

作者：

Mohammadnia, Maryam ^{[1
]}

Heydari, Rouhollah ^{[2
]}

Sohrabi, Mahmoud Reza ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Chem, North Tehran Branch, Tehran, Iran

[2] Kermanshah Univ Med Sci, Res Ctr Environm Determinants Hlth, Kermanshah, Iran

来源：

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES | 2020年 / 55卷 / 04期

关键词：

Magnetic graphene oxide; tert-butylamine; 2; 4-D; water; food; SOLID-PHASE EXTRACTION; GAS-CHROMATOGRAPHY; RESIDUAL SOLVENTS; AQUEOUS SAMPLES; OLIVE LEAVES; MICROEXTRACTION; SALT; PHARMACEUTICALS; METHODOLOGY; OLEUROPEIN;

D O I：

10.1080/03601234.2019.1692613

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the present work, dispersive micro-solid phase extraction (D-mu-SPE) method using magnetic graphene oxide tert-butylamine (GO/Fe3O4/TBA) nanocomposite, as an efficient sorbent, was applied for determining 2,4-dichlorophenoxyacetic acid (2,4-D) in water and food samples. Detection was carried out using high-performance liquid chromatography (HPLC) instrument. Influential parameters of D-mu-SPE such as sorbent and its amount, elution solvent and its volume, adsorption and desorption times and pH of sample solution were investigated and optimized. Under the optimized conditions, limit of detection and quantitation values were 0.007 and 0.02 mu g/mL, respectively. Recovery data for several real samples were obtained within the range of 88.0-94.0% with a relative standard deviation (RSD) less than 7.5%. The proposed method was successfully applied to quantitative determination of 2,4-D in several vegetables and water samples.

引用

页码：293 / 300

页数：8

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