全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

高效液相色谱法测定土壤中异丙隆及其降解产物对异丙基苯胺

Keywords: 异丙隆,对异丙基苯胺,土壤,高效液相色谱,测定

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用高效液相色谱仪,建立了土壤中异丙隆及其降解产物对异丙基苯胺的分离测定方法。土壤样品采用超声波振荡提取,以乙腈为提取剂。色谱分析条件:C18色谱柱(4.6mm×150mm,粒径5mm),流动相乙腈∶水=70∶30(V/V),流速0.3mL·min-1,检测波长245nm。异丙隆和对异丙基苯胺标准曲线的线性范围为25 ̄200mg·L-1,线性相关系数分别为0.9946和0.9976,最低检测限分别为0.042和0.45mg·L-1,平均回收率分别为91.76%和92.57%,测定相对标准偏差分别为3.06%和2.95%。

References

[1]  苏少泉.除草剂概论[M].北京:科学出版社,1989.182-183.
[2]  吴志广.合成除草剂异丙隆的方法[P],中国专利:CN 1063279A,1992-08-05.
[3]  Molins C, Hogendoorn E A, Dijkman E, et al. Determination of linuron and related compounds in soil by microwave-assisted solvent extraction and reversed-phase liquid chromatography with UV detection[J]. ChromatographyA, 2000, 869(1-2): 487-496.
[4]  Munoz de la Pena A, Mahedero M C, Bautista-Sánchez A, et al. Highperformance liquid chromatographic determination of phenylureas by photochemically-induced fluorescence detection [J]. Chromatography,2002, 950(1-2): 287-291.
[5]  Carabias-Martínez R, Rodríguez-Gonzalo E, Herrero-Hernández E, et al. Simultaneous determination of phenyl- and sulfonylurea herbicides in water by solid-phase extraction and liquid chromatography with UV diode array or mass spectrometric detection [J]. A nalytica Chimica Acta,2004, 517(1-2): 71-79.
[6]  李方实,Martens D,Kettrup A.固相萃取-高效液相色谱法同时测定水中的16种苯脲除草剂[J].色谱,2001,19(6):534-537.
[7]  Allemane H, Prados-Ramirez M, et al. Study and identification of the initial byproducts of isoproturon oxidation by the ozone/hydrogen peroxide system [J]. Rev Sci, 1995, 8(3): 315.317.
[8]  Sebastian R S, Jens A. Rapid mineralization of the herbicide isoproturon in soil from a previously treated Danish agricultural field [J]. Pest Management Science, 2003, 59(10): 1118-1124.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133