首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Development of a HPLC Method for Analysis of Linear Alkylbenzene Sulphonates and Detection by UV and FTIR Spectroscopy Using Thermospray Interface
Authors:Mohammad A Mottaleb
Institution:(1) Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow G1 1XL, United Kingdom, GB
Abstract: A reversed-phase high performance liquid chromatography (RP-HPLC) method, with acetic acid and sodium perchlorate phase modifiers, was developed to separate a mixture of linear alkylbenzene sulphonates (LAS), containing 10 to 13 carbon atoms. The effects of methanol-water compositions and concentrations of used modifiers were investigated and compared. The separation achieved with 50 mg L−1 acetic acid was found satisfactory whereas a concentration of 10 g L−1 sodium perchlorate was preferred. Chromatograms obtained with UV and Fourier transform infrared (FTIR) detection showed almost similar features and HPLC-FTIR interface spectra of LAS components exhibited excellent agreement of absorption features to those of standard FTIR spectrum and no thermal degradation was found to occur. Received May 20, 1998 Revision March 25, 1999.
Keywords:, ,RP-HPLC, LAS, phase modifiers, UV-FTIR detection, HPLC-FTIR interface, IR spectra,
本文献已被 SpringerLink 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号