同位素稀释气相色谱/三重四极杆串联质谱法分析环境样品中的多氯萘

引用本文: 刘芷彤, 张兵, 王雯雯, 刘国瑞, 高丽荣, 郑明辉. 同位素稀释气相色谱/三重四极杆串联质谱法分析环境样品中的多氯萘[J]. 色谱, 2013, 31(9): 878-884. doi: 10.3724/SP.J.1123.2013.02012 shu

Citation: LIU Zhitong, ZHANG Bing, WANG Wenwen, LIU Guorui, GAO Lirong, ZHENG Minghui. Determination of polychlorinated naphthalenes in environmental samples by isotope dilution gas chromatography-triple quadrupole mass spectrometry[J]. Chinese Journal of Chromatography, 2013, 31(9): 878-884. doi: 10.3724/SP.J.1123.2013.02012 shu

同位素稀释气相色谱/三重四极杆串联质谱法分析环境样品中的多氯萘

刘芷彤 ^1, ,
张兵 ^1, ,
王雯雯 ^2, ,
刘国瑞 ^1,3, ,
高丽荣 ^1, ,
郑明辉 ^{1,
,}

通讯作者: 郑明辉

基金项目:
国家自然科学基金项目(21107123,21007084). (21107123,21007084)

摘要: 采用稳定同位素标记的多氯萘(PCNs)同类物为内标,建立了同位素稀释气相色谱/三重四极杆串联质谱技术测定环境样品中20种高关注的PCNs同类物的方法。结果表明:PCNs同类物的校正曲线在0.5~200 μg/L范围内线性良好(R²>0.99),检出限(LOD)为0.04~0.48 μg/L,相对标准偏差(RSD)小于15%。采用基质加标法评价该方法对实际环境样品中PCNs测定的回收率为45.2%~87.9%。为验证方法的适用性,以河流沉积物和再生铝冶炼排放的烟道气样品为对象,利用所建立的方法测定了20种PCNs同类物,并将结果与高分辨气相色谱/高分辨质谱方法的测定结果进行了比对,两种方法测定结果的RSD为0.5%~41.4%,表明所建立的同位素稀释气相色谱/三重四极杆串联质谱方法可用于实际环境样品中PCNs的定性、定量分析。

关键词:

English

Determination of polychlorinated naphthalenes in environmental samples by isotope dilution gas chromatography-triple quadrupole mass spectrometry

1.
1. State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;

Corresponding author: 郑明辉

Received Date: 06 February 2013
Fund Project:
国家自然科学基金项目(21107123,21007084).

Abstract: An isotope dilution gas chromatography combined with triple quadrupole mass spectrometry (GC-MS/MS) method was established for the analysis of twenty polychlorinated naphthalenes (PCNs) congeners in environmental samples. The linear correlation coefficients (R²) of calibration curves were greater than 0.99 in the concentration range of 0.5-200 μg/L for all the twenty PCN congeners. The average relative response factors (RRF) were calculated based on a seven-point calibration for the twenty PCN congeners. The relative standard deviations (RSDs) of all the congeners were below 15% (n=7). The limits of detection (LOD) of the established method ranged from 0.04 to 0.48 μg/L for the twenty PCN congeners. The recoveries of matrix spiked samples ranged from 45.2% to 87.9%, and the RSDs ranged from 0.4% to 21.2%. The sediment samples and stack gas samples collected from secondary aluminum smelting were analyzed by the established method. The obtained results were also compared with the data analyzed by high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS) method. The comparison indicated that the data of the established method was in good agreement with those of HRGC/HRMS method with the RSDs of 0.5%-41.4%. Consequently, the established GC-MS/MS method can be applied to the determination of PCNs in environmental samples.

Key words:

gas chromatography-triple quadrupole mass spectrometry
/ polychlorinated naphthalenes
/ persistent organic pollutants
/ environmental samples

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

同位素稀释气相色谱/三重四极杆串联质谱法分析环境样品中的多氯萘

通讯作者: 郑明辉

English

Determination of polychlorinated naphthalenes in environmental samples by isotope dilution gas chromatography-triple quadrupole mass spectrometry

Corresponding author: 郑明辉

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

同位素稀释气相色谱/三重四极杆串联质谱法分析环境样品中的多氯萘

通讯作者: 郑明辉

English

Determination of polychlorinated naphthalenes in environmental samples by isotope dilution gas chromatography-triple quadrupole mass spectrometry

Corresponding author: 郑明辉

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

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