固相微萃取-气相色谱-质谱联用测定海水与沉积物中邻苯二甲酸酯类污染物

引用本文: 张泽明, 张洪海, 李建龙, 杨桂朋. 固相微萃取-气相色谱-质谱联用测定海水与沉积物中邻苯二甲酸酯类污染物[J]. 分析化学, 2017, 45(3): 348-356. doi: 10.11895/j.issn.0253-3820.160699 shu

Citation: ZHANG Ze-Ming, ZHANG Hong-Hai, LI Jian-Long, YANG Gui-Peng. Determination of Phthalic Acid Esters in Seawater and Sediment by Solid-phase Microextraction and Gas Chromatography-Mass Spectrometry[J]. Chinese Journal of Analytical Chemistry, 2017, 45(3): 348-356. doi: 10.11895/j.issn.0253-3820.160699 shu

固相微萃取-气相色谱-质谱联用测定海水与沉积物中邻苯二甲酸酯类污染物

1.
中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛 266100;
2.
海洋国家实验室海洋生态与环境科学功能实验室, 青岛 266071
基金项目:
本文系国家自然科学青年基金(No.41306069)、国家自然科学基金重大国际合作项目(No.41320104008)、山东省“泰山学者”、青岛海洋科学与技术国家实验室“鳌山人才”建设工程经费资助

摘要: 邻苯二甲酸酯(PAEs)是塑化剂产品中使用最广泛的一类化合物，准确分析海洋中邻苯二甲酸酯的种类、组成及浓度水平，对认识PAEs在海洋环境的迁移变化及生态效应具有重要意义。本研究建立了固相微萃取-气相色谱-质谱联用技术分析海水与沉积物中PAEs的方法，确定了萃取时间、萃取温度等最佳实验条件。本方法测定海水与沉积物中PAEs含量的精密度为±10%，检出限分别为0.04~0.32 ng/L和0.12~1.60 μg/kg；除邻苯二甲酸二甲酯(DMP)外，海水中PAEs回收率为68.0%~114.0%，沉积物中PAEs回收率为76.4%~105.0%。利用本方法测得长江口及其邻近海域水体与沉积物中PAEs的浓度分别为0.270~1.39 μg/L和0.79~34.8 μg/kg。实验表明，本方法操作简单，准确度高，大大缩减了海水萃取体积，能够应用于近岸海水与沉积物中PAEs含量的准确分析。

关键词:

English

Determination of Phthalic Acid Esters in Seawater and Sediment by Solid-phase Microextraction and Gas Chromatography-Mass Spectrometry

1.
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;
2.
Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
Received Date: 18 September 2016
Revised Date: 21 December 2016
Fund Project:
This work was supported by the National Natural Science Foundation of China (No. 41306069)

Abstract: Phthalic acid esters (PAEs) are one class of the most important plasticizers which are widely used in the production of plastic products. The accurate analysis of PAEs in seawater and sediment would be of great significance to study the transformation of PAEs and their ecological effects in marine environment. In this study, the method of gas chromatography with mass spectrum detector (GC-MSD) coupled with solid-phase microextraction had been established to analyze the concentration of PAEs in seawater and sediment, and various experimental conditions such as extraction time and extraction temperature were optimized. Under the optimum conditions, the precision was less than 10.0%, and the limits of detection were 0.04-0.32 μg/L and 0.12-1.60 μg/kg. Except dimethyl phthalate (DMP), the recovery of PAEs in seawater and sediment ranged from 68.0% to 114.0% and 76.4% to 105.0%, respectively. Moreover, the concentrations of PAEs measured with the method were 0.270-1.39 μg/L and 0.74-34.8 μg/kg in seawater and sediment samples of Changjiang River Estuary and its adjacent area, respectively. In conclusion, the analytical method is easy to operate and reduces the extraction volume of seawater water, thus it meets the requirements of the analysis of PAEs in coastal seawater and sediment.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

固相微萃取-气相色谱-质谱联用测定海水与沉积物中邻苯二甲酸酯类污染物

English

Determination of Phthalic Acid Esters in Seawater and Sediment by Solid-phase Microextraction and Gas Chromatography-Mass Spectrometry

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中国化学会秘书处

固相微萃取-气相色谱-质谱联用测定海水与沉积物中邻苯二甲酸酯类污染物

English

Determination of Phthalic Acid Esters in Seawater and Sediment by Solid-phase Microextraction and Gas Chromatography-Mass Spectrometry

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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