干旱区生态环境知识资源中心(Arid): 六氯丁二烯分析方法研究进展

Arid

	六氯丁二烯分析方法研究进展
其他题名	Research progress on analytical methods for the determination of hexachlorobutadiene
	王尧天; 张海燕; 史建波; 江桂斌
来源期刊	色谱
ISSN	1000-8713
出版年	2021
卷号	39 期号:1
中文摘要	六氯丁二烯是一种持久性有机污染物,于2015年和2017年分别被列入《斯德哥尔摩公约》附件A和附件C的受控污染物名单中。六氯丁二烯的来源、环境赋存和影响等研究对控制该新增受控持久性有机污染物污染具有重要意义,而灵敏可靠的六氯丁二烯分析方法是开展相关研究的前提和基础。近年来已有不少学者将六氯丁二烯作为分析目标物之一进行了检测或方法学研究。基于这些研究成果,该文综述了六氯丁二烯分析方法的研究进展,其中重点介绍了空气、水体、土壤、污泥、生物组织等多种介质中六氯丁二烯的样品前处理方法,并比较了各方法的优缺点,以期为该领域的进一步研究提供参考。空气中六氯丁二烯主要由泵抽气通过吸附管而采集,再经热脱附后进行仪器分析,检出限在ng/m~3水平。也有研究应用聚氨酯泡沫被动采样器和吸附剂填充聚氨酯泡沫被动采样器采集大气中六氯丁二烯及其他污染物。基于吸附剂填充聚氨酯泡沫被动采样器的分析方法灵敏度较高,其对六氯丁二烯的检出限低至0.03 pg/m~3。然而目前被动采样体积仅根据六氯丁二烯的log KOA系数估算,未来仍需进一步实验校正。水体样品前处理通常也较简单,通过吹扫捕集、液-液萃取或固相萃取目标物后进行仪器分析。固相萃取法能够同步实现目标物的提取、净化和浓缩,在水样中六氯丁二烯分析方面具有明显优势。固相萃取柱类型以及干燥步骤中柱中残留水分去除率均会影响六氯丁二烯的回收率。灰尘、土壤、沉积物、污泥和生物组织等固体介质样品基质最为复杂,需联合多种方法进行前处理。固体样品中六氯丁二烯提取方法包括索氏提取,加速溶剂萃取和超声萃取,其中超声萃取法应用最为广泛。固体基质净化方面主要采用层析柱色谱法,多根净化柱联用或多层复合柱能够提升净化效果。仪器分析方面,六氯丁二烯主要采用气相色谱和质谱联用检测,高性能质谱检测器如串联质谱能够大大提高六氯丁二烯的检测灵敏度,具有较大的应用潜力。
英文摘要	Hexachlorobutadiene (HCBD)is one of persistent organic pollutants (POPs)listed in Annex A and Annex C of the Stockholm Convention in 2015 and 2017,respectively. Research on the sources,environmental occurrences,and biological effects of HCBD has a great significance in controlling this newly added POPs. Sensitive and credible methods for the determination of HCBD are preconditions and form the basis for related research work. In recent years, many researchers have included HCBD as one of the analytes in monitoring or methodological studies. Based on the results of these studies,this paper reviews the research progress on analytical methods for the determination of HCBD and focuses on sample pretreatment methods for the analysis of HCBD in various matrices such as air,water,soil,sewage sludge,and biological tissues. The advantages and disadvantages of the methods are also compared to provide reference for further research in this field. For air samples,HCBD was usually collected by passing air through sorbent cartridges. Materials such as Tenax-TA,Carbosieve,Carbopack,Carboxen 1000,or their mixtures were used as the sorbent. HCBD was thermally desorbed and re-concentrated in a trap and finally transferred for instrumental analysis. Limits of detection (LODs)for HCBD in these methods were at the ng/m~3 scale. Compared to sampling using pumps,passive air samplers (PAS)such as polyurethane foam PAS (PUF-PAS)do not require external power supply and are more convenient for sampling POPs in air at a large scale. The LOD of the sorbent-impregnated PUF PAS (SIPPAS) method was much lower (0.03 pg/m~3)than that of the PUF-PAS method (20 pg/m~3). However,the sampling volumes in the SIP-PAS and PUF-PAS methods (- 6 m~3)calculated from the log KOA value of HCBD have significant uncertainty,and this must be confirmed in the future. For water samples,HCl or copper sulfate was added to the sample immediately after sampling to prevent any biological activities. HCBD can be extracted from water using methods such as the purge and trap method,liquid-liquid extraction (LLE)method,and solid phase extraction (SPE)method. Among these methods,SPE enabled the simultaneous extraction, purification,and concentration of trace HCBD in a single step. Recoveries of HCBD on Strata-X and Envi-Carb SPE cartridges (63% -64%)were higher than those on Envi-disk,Oasis HLB, and Strata-C_(18) cartridges (31%-46%). Drying is another key step for obtaining high recoveries of HCBD. Disk SPE involving the combination of a high-vacuum pump and a low-humidity atmosphere is an effective way to eliminate the residual water. In addition,a micro SPE method using functionalized polysulfone membranes as sorbents and employing ultrasonic desorption was developed for extracting HCBD from drinking water.
中文关键词	六氯丁二烯 ; 持久性有机污染物 ; 样品前处理 ; 仪器检测 ; 综述
英文关键词	hexachlorobutadiene persistent organic pollutants (POPs) sample pretreatment instrumental detection review
类型	Review
语种	中文
开放获取类型	hybrid
收录类别	CSCD
WOS类目	Chemistry
CSCD记录号	CSCD:6898934
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/354383
作者单位	王尧天, 东北大学理学院化学系;;中国科学院生态环境研究中心, ;;环境化学与生态毒理学国家重点实验室, 沈阳;;, 辽宁;;北京 110819;;100085, 中国. 张海燕, 浙江工业大学环境学院, 杭州, 浙江 310014, 中国. 史建波, 中国科学院生态环境研究中心, 环境化学与生态毒理学国家重点实验室, 北京 100085, 中国. 江桂斌, 中国科学院生态环境研究中心, 环境化学与生态毒理学国家重点实验室, 北京 100085, 中国.
推荐引用方式 GB/T 7714	王尧天,张海燕,史建波,等. 六氯丁二烯分析方法研究进展[J],2021,39(1).
APA	王尧天,张海燕,史建波,&江桂斌.(2021).六氯丁二烯分析方法研究进展.色谱,39(1).
MLA	王尧天,et al."六氯丁二烯分析方法研究进展".色谱 39.1(2021).