预衍生化-共振散射光谱法测定4-壬基酚
Resonance Scattering Spectrometric Determination of 4-Nonylphenol After Derivatization
摘 要
通过衍生反应,建立了用共振散射光谱法测定4-壬基酚的方法.在碳酸钠介质中,痕量4-壬基酚与丹酰氯反应,产物在300~600 nm波长范围有很强的共振散射光.在选定的测定波长396.8 nm处,共振光散射强度的改变值与4-壬基酚质量浓度在6.20×10-4~6.00×10-2mg·L-1范围内呈线性关系.方法检出限为0.20 μg·L-1.结合C18柱固相萃取分离,应用于环境水样和合成水样中4-壬基酚的测定,样品加标回收率为91.25%~94.50%,相对标准偏差小于4.0%.
共振散射光谱法
丹酰氯
衍生化
Resonance scattering spectrometry
4-Nonylphenol
Dansyl chloride
Derivatization4-
Abstract
4-Nonyphenol was determined by resonance scattering spectrometry as its derivatization product with DNS-Cl.The derivatization reaction was carrried out in 0.5 mol·L-1 Na2CO3 solution,and resonance scattering spectrum of the reaction product was observed in the wavelength range of 300-600 nm,with its peak at 396.8 nm.Linear relationship between the values of increase in intensity of resonance scattering(ΔI) and concentration of 4-nonylphenol was obtained in the range of 6.20×10-4-6.00×10-2mg·L-1,with its detection limit of 0.20 μg·L-1.In combination with separation by solid phase extraction on C18 column,the proposed method was used in the determination of 4-nonylphenol in environmental water samples,giving values of recovery in the range of 91.25%-94.50% and values of RSD′s(n=7) less than 4.0%.
中图分类号 O657.3
所属栏目 工作简报
基金项目
收稿日期 2007/7/13
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备注杨慧仙(1971-),女,湖南沅江市人,硕士,讲师,主要从事理化检验教学和研究.
引用该论文: YANG Hui-xian,LI Gui-rong,HE Ai-tao,HAN Li-juan. Resonance Scattering Spectrometric Determination of 4-Nonylphenol After Derivatization[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2008, 44(6): 517～519
杨慧仙,李贵荣,何爱桃,韩丽娟. 预衍生化-共振散射光谱法测定4-壬基酚[J]. 理化检验－化学分册, 2008, 44(6): 517～519
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参考文献
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【5】龙鼎新,李勇,陈锋.对-壬基酚对大鼠胚胎肢芽细胞增殖和分化的影响[J].中国优生优育,2002,13(1):22-25．
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【2】吴伟,瞿建宏,陈家长,等.壬基酚聚氧乙烯醚及其降解产物对水生生物的毒理效应[J].湛江海洋大学学报,2003,23(4):39-44．
【3】Hoyt P R,Doktycz M J,Beattie K L,et al.DNA microarrays detect 4-nonyl-phenol-induced alterations in gene expression during zerbafish early develop-ment[J].J Ecotoxicology,2003,12:469-474．
【4】Chitra K C,Latchoumycandane C,Mathur P P.Effect of nonylphenol on the antioxidant system in epididymal sperm of rats[J].Arch Toxicol,2002,76:545-551．
【5】龙鼎新,李勇,陈锋.对-壬基酚对大鼠胚胎肢芽细胞增殖和分化的影响[J].中国优生优育,2002,13(1):22-25．
【6】沈惠云,徐培渝,余文三,等.对-壬基酚对MCF-7人类乳腺癌细胞雌激素受体表达的影响[J].四川大学学报:医学版,2003,34(4):641-644．
【7】詹平,吕波,李元锋.壬基酚对卵巢癌细胞和蛋白表达的影响[J].中国公共卫生,2004,20(4):425-442．
【8】倪沛洲.有机化学[M].5版.北京:人民卫生出版社,2003:145．
【9】Montserrat Castillo,Gustavo Peuela, Damià Barceló.Identification of photo-catalytic degradation products of non-ionic polyethoxylated surfactants in waste-waters by solid-phase extraction followed by liquid chromatography-mass spectrometric detection[J].Fresenius J Anal Chem,2001,369:620-628．
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