8[1]K.L Williamson, macroscale and macroscale organic experiments, 2nd ed. 1994 houghton mimin, boston revised 3/21/01.
9CALBIANI F,CARERI M,MANGIA A,et al.Development and in-house validation of a liquid chromatography-electrospray tandem mass spectrometry method for the simultaneous determination of Sudan Ⅰ,Sudan Ⅱ,Sudan Ⅲ and Sudan Ⅳ in hot chilli products[J].J Chromatogr,A,2004,1042:123-130.
10European Commission.Health and Comsumer Protection Directorate-General,Directorate D-food Safety:Production and Distribution chain,Analysis and Dosage of the Colorants Sudan Bixin in Chilli Powder and Pepper-base Products [ S ].03199.
5Calbiani F.Careri M,Elviri L,et al..Development and In House Validation of a Liquid Chromatography Electrospary Tandem Mass Spectrometry Method for the Simultaneous Determination of Sudan Ⅰ,Sudan Ⅱ,SudanⅢ and SudanⅣin Hot Chilli Products[J].J.chromatography A,2004,1042(12):123-128