Objective:To develop a new method for the simultaneous determination of diethylstilbestrol(DES),estrone(E),estradiol(E) and estriol(E ) in shrimp,crayfish,crab by GC/MS and GC/MS/MS.

Objective:To develop a new method for the simultaneous determination of diethylstilbestrol(DES),estrone(E),estradiol(E) and estriol(E ) in shrimp,crayfish,crab by GC/MS and GC/MS/MS.

目的:建立海产品中己烯雌酚(DES)、雌酮(E)、雌二醇(E)、雌三醇(E )的GC/MS和GC/MS/MS分析方法。