Two programs for identification of anionic surfactant in 2 industrial chemical additives by FAB-MS and DCI-MS are presented. It is a simple and valuable method for identification of unknown of similar compounds.

• 本文提出用FAB－MS和DCI－MS法对两种工业化学添加剂中阴离子表面活性剂成份的鉴定方案，方法简便，并对类似未知物的鉴定有参考价值。