Ge Zaochuan Zhou Jianming Wang Qingyan (Department of Hygienic Chemistry,Jiangxi Medical College,Nanchang 330006) Ni Yongnian (Department of Analytical Chemistry,Nanchang University,Nanchang 3300047)
Abstract：The derivative spectrum of saccharin sodium,benzoic acid and sorbic acid were seriously overlapping,so they can not be determined individually by spectrophotometry without prior separation.In this paper,overlapping derivative spectrum were processed with
1998, Vol. 40 