本文介绍了降秩因子分析(RAFA)方法,它是从一个多组分混合物中直接定量计算其中某一组分,而不必知道其它组分的物种及含量的一种定量分析的数学方法。它适用于双线性的数据。本实验首先将荧光分光光度计与外接计算机相连,以获得样品的激发-发射矩阵(EEM),再用RAFA方法对蒽、萘、菲、芘、芴、(艹屈)六种标样的一至五组分的混合物进行定量分析,获得满意的结果。 In this paper, the method of rank reduction factor analysis (RAFA) is introduced. It is a mathematical method to quantitatively calculate one of the components directly from a multi-component mixture without having to know the species and content of the other components. It applies to bilinear data. In this experiment, the fluorescence spectrophotometer was first connected to an external computer to obtain the excitation-emission matrix (EEM) of the sample, and then the RAFA method was used to analyze the fluorescence intensity of anthraquinone, naphthalene, phenanthrene, pyrene, fluorene, The five-component mixture was quantitatively analyzed to obtain satisfactory results.