Liquid chromatography-tandem mass spectrometry direct injection analysis of organophosphorus flame retardants in Ontario surface water and wastewater effluent

被引:73
作者
Hao, Chunyan [1 ]
Helm, Paul A. [2 ]
Morse, David [1 ]
Reiner, Eric J. [1 ]
机构
[1] Ontario Minist Environm & Climate Change, Lab Serv Branch, 125 Resources Rd, Etobicoke, ON M9P 3V6, Canada
[2] Ontario Minist Environm & Climate Change, Environm Monitoring & Reporting Branch, 125 Resources Rd, Etobicoke, ON M9P 3V6, Canada
关键词
Organophosphorus flame retardants (OPFRs); Direct injection analysis (DIA); Liquid chromatography-tandem mass spectrometry (LC-MS/MS); Water analysis; SOLID-PHASE EXTRACTION; GAS-CHROMATOGRAPHY; PHTHALATE-ESTERS; GROUND-WATER; HOUSE-DUST; INDOOR AIR; PLASTICIZERS; PHOSPHATE; EXPOSURE; SAMPLES;
D O I
10.1016/j.chemosphere.2017.10.060
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Organophosphorus flame retardants (OPFRs) started to be used in plastics, electronics and furnishings back in the 1960s and became popular again last decade. They are now widely present in the environment and regarded as "new" emerging organic pollutants. An effective liquid chromatography-tandem mass spectrometry (LC-MS/MS) direct injection analysis (DIA) method was developed to monitor OPFR levels in aquatic environment. The removal of sample extraction and concentration steps not only improved operation efficiency, but also reduced the potential contamination commonly observed during the sample preparation process before. Positive background signals from the analytical instrument were eliminated by employing a "trap" column in front of the sample injector while an ACE C18 and an ACE C18-PFP column were compared for the separation of OPFR5. Nineteen OPFR related compounds were evaluated and rapid signal drops were observed for seven of them including TOTP, TMTP, TPTP, TEHP, T35DMPP, T2iPPP and EHDP, due to their low water solubility. The other twelve compounds, TMP, TEP, TPrP, TiPP, TBP, TCEP, TCPP, TDCPP, TPP, TBEP, BDCP and BEHP, were included for the measurement of OPFRs in drinking water, surface water, ground water and wastewater effluent samples. The instrumental detection limits of these twelve OPFRs at signal-to-noise >= 3 were in the 1.5-30 ng/L range. The method was applied for the determination of OPFRs in surface water and wastewater samples in Ontario, Canada, and BEHP, TBEP, TBP, TCEP, TCPP, TDCPP, and TEP were commonly detected. Crown Copyright (C) 2017 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:288 / 295
页数:8
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