Tracing Analysis of Sulfonation of Alkyl Diphenyl Ether by APCI/ESI HPLC/MS

Tracing analysis was applied in the process of sulfonation of alkyl diphenyl ether by APCI/ESI HPLS/MS.The sulfonated products were separated by HPLC and then detected by on-line MS.In this way,the components and structures were determined and charactered.