预衍生化气相色谱法测定工业废水中氯苯酚类化合物
Pre-derivatization-GC Determination of Chlorophenols in Industrial Waste Water
摘 要
在三乙基苄基氯化铵和氢氧化钠溶液中,采用碘甲烷作为衍生剂进行衍生化反应,通过气相色谱法对氯苯酚类化合物的衍生物进行分离和测定,其4-氯苯酚、2,4-二氯苯酚、2,4,6-三氯苯酚衍生物的检出限分别为1.36,1.87,2.67 mg·L-1.用标准加入法对上述3种氯苯酚衍生物的峰面积测量的精密度进行试验,其相对标准偏差依次为4.2%,3.4%,5.1%.
氯苯酚类化合物
衍生化法
Gas chromatography
Chlorophenols
Derivatization
Abstract
Chlorophenols in waste water sample were pre-derivatized in an alkaline solution containing dimethyl sulfoxide and benzyltriethylammonium chloride with iodomethane as derivatizing agent.Derivatives of chlorophenols,i.e.p-chlorophenol,2,4-dichlorophenol and 2,4,6-trichlorophenol,were separated and determined by gas chromatography with FID detector.Detection limits of the method obtained were 1.36 mg·L-1 for 4-chlorophenol,1.87 mg·L-1 for 2,4-dichlorophenol and 2.67 mg·L-1 for 2,4,6-trichlorophenol.Precision of measurements of peak area of derivatives of the 3 above mentioned chlorophenols was tested and values of RSD′s (n=5) obtained were 4.2%,3.4% and 5.1% respectively.
中图分类号 O657.7
所属栏目 工作简报
基金项目 江苏省滩涂生物资源与环境保护重点建设实验室资助项目(JLCBE 07016),盐城师范学院资助项目(06YCKL156),江苏省高等学校大学生实践创新训练计划项目
收稿日期 2007/1/8
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备注王京平(1963-),女,江苏东台人,副教授,硕士,主要从事环境监测的应用研究.
引用该论文: WANG Jing-ping,TAO Wei-hua,KONG Xiang-yan,YANG Wen,SUN Chuan-pu. Pre-derivatization-GC Determination of Chlorophenols in Industrial Waste Water[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2008, 44(5): 464～466
王京平,陶为华,孔祥燕,杨文,孙传甫. 预衍生化气相色谱法测定工业废水中氯苯酚类化合物[J]. 理化检验－化学分册, 2008, 44(5): 464～466
被引情况:
【1】张莉,桂建业,张永涛,田来生,赵国兴,李晓亚, "改性聚合物萃取-五氟苄基衍生化-气相色谱-质谱法测定水中酚类化合物",理化检验－化学分册 49, 1155-1158(2013)
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参考文献
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【2】Shaokui Z,Zhifeng Y,Do H,et al.Removal of chlorophenols from groundwater by chitosan sorption[J].Water Reseach,2004,38:2314-2321．
【3】Adil D,Nilufer C,Nalar T,et al.Removal of Chlorophenols from aquatic systems using the dried and dead fungus Pleurotus sajor caju[J].Bioresource Technology,2005,96:59-62．
【4】Adil D,Guleren O,Mustafa U.Removal of Chlorophenols from aquatic systems with dye-affinity microbeads[J].Separation and Purification Technology,2001,24:255-262．
【5】Krishnaiah A.Adsorption of phenol and p-chlorophenol from their single and bisolute aqueous solutions on Amberlite XAD-16 resin[J].Journal of Hazardous Materials,2003,105:143-156．
【6】Habib B,Abdorreza M,Amir S.On- line trace enrichment of phenolic compounds from water using a pyrrole-based polymer as the solid-phase extraction sorbend coupled with high-performance liqid chromatography[J].Anal Chim Acta,2004,513:445-449．
【7】Maw R L,Yao C Y,Wei S,et al.Solid-phase microextraction and gas chromatography-mass spectrometry for determinng chlorophenols from landfill leaches[J].J of Chromatography,1998,806:317-324．
【8】Bagheri H,Saraji M.New polymeric sorbent for the solid-phase extraction of chlorophenols from water samples followed by gas chromatography-electron-capture detection[J].J of Chromatography,2001,910:87-93．
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