液相色谱-质谱法分析黑碳的分子标志物—

引用本文: 黄国培, 陈颖军, 田崇国, 刘莺. 液相色谱-质谱法分析黑碳的分子标志物——苯多羧酸和硝基苯多羧酸[J]. 色谱, 2016, 34(3): 306-313. doi: 10.3724/SP.J.1123.2015.10045 shu

Citation: HUANG Guopei, CHEN Yingjun, TIAN Chongguo, LIU Ying. Analysis of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids as molecular tracers of black carbon by using liquid chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, 2016, 34(3): 306-313. doi: 10.3724/SP.J.1123.2015.10045 shu

液相色谱-质谱法分析黑碳的分子标志物——苯多羧酸和硝基苯多羧酸

黄国培 ^1,3, ,
陈颖军 ^{1,2,
,} ,
田崇国 ^1, ,
刘莺 ^1,

1.
1. 中国科学院海岸带环境过程与生态修复重点实验室, 山东省海岸带环境过程重点实验室, 中国科学院烟台海岸带研究所, 山东烟台 264003;
2.
2. 同济大学环境科学与工程学院, 上海 200092;
3.
3. 中国科学院大学, 北京 100049

通讯作者: 陈颖军

基金项目:
2011-度中国科学院研究生科技创新与社会实践专项基金.

摘要: 苯多羧酸法是定量检测黑碳和溶解态黑碳的重要分子标志物法,其中苯多羧酸和硝基苯多羧酸的分离和定量是关键环节。本文建立了苯多羧酸和硝基苯多羧酸的液相色谱-质谱分析方法,利用质谱的定性能力解决了部分苯多羧酸和硝基苯多羧酸化合物在缺乏标准品情况下的定性问题。用Phenomenex Synergi Polar RP分离柱,柱温为35 ℃,流动相为0.5%(体积分数)甲酸水溶液和甲醇,流速为0.5 mL/min,梯度洗脱,以电喷雾离子源负离子全扫描和选择扫描模式进行离子阱质谱检测,同时利用串联的二极管阵列检测器采集三维紫外光谱数据。在实际样品检测中,14个含3个及以上羧基的苯多羧酸和硝基苯多羧酸化合物获得良好分离。此方法简化并加快了苯多羧酸法定量黑碳和溶解态黑碳的分析过程,可满足环境样品中黑碳和溶解态黑碳的分析,促进了苯多羧酸法应用的普及。

关键词:

English

Analysis of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids as molecular tracers of black carbon by using liquid chromatography-mass spectrometry

1.
1. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Chinese Academy of Sciences; Shandong Provincial Key Laboratory of Coastal Environmental Processes; Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China;
2.
2. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
3.
3. University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: 陈颖军

Received Date: 29 October 2015
Fund Project:
2011-度中国科学院研究生科技创新与社会实践专项基金.

Abstract: The benzene polycarboxylic acid (BPCA) method is an important molecular marker method for black carbon and dissolved black carbon quantification while the separation and quantification of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids are the key process. In order to use mass spectrometer to solve the issue of identification of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids due to the lack of the standards of some of the target compounds, a liquid chromatography-mass spectrometry method was proposed. It made the experimental procedures easier and faster than using the gas chromatography mass spectrometry, and would promote the use of the BPCA method. A Phenomenex Synergi Polar RP column was used. The digestion productions of black carbon and dissolved black carbon were gradiently eluted by the mobile phases of 0.5%(v/v) aqueous formic acid solution and methanol with the flow rate of 0.5 mL/min at 35 ℃. The determination was conducted by an ion trap mass spectrometer in negative electrospray ionization (ESI) mode under full scan and selected ion monitoring (SIM) modes. Simultaneously the three-dimensional ultraviolet spectra were collected by a photo diode array detector. The LC-MS method was proved to be suitable for the analysis of environmental black carbon and dissolved black carbon.

Key words:

liquid chromatography-mass spectrometry (LC-MS)
/ benzene polycarboxylic acids
/ nitro-benzene polycarboxylic acids
/ black carbon
/ dissolved black carbon

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

液相色谱-质谱法分析黑碳的分子标志物——苯多羧酸和硝基苯多羧酸

通讯作者: 陈颖军

English

Analysis of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids as molecular tracers of black carbon by using liquid chromatography-mass spectrometry

Corresponding author: 陈颖军

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

液相色谱-质谱法分析黑碳的分子标志物——苯多羧酸和硝基苯多羧酸

通讯作者: 陈颖军

English

Analysis of benzene polycarboxylic acids and nitro-benzene polycarboxylic acids as molecular tracers of black carbon by using liquid chromatography-mass spectrometry

Corresponding author: 陈颖军

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

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

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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