本文阐述了单纯形试验设计法的基本原理;在邻二氮菲分光光度法测铁含量的经典实验中,利用该方法对测定波长,邻二氮菲、盐酸羟胺、醋酸钠的用量等条件进行优化,算法采用MATLAB,结果令人满意。 In this paper, the basic principle of the simplex test design method is described. In the classical experiment of measuring the iron content of o-phenanthroline spectrophotometry, the determination of the wavelength, phenanthroline, hydroxylamine hydrochloride, sodium acetate dosage and other conditions Optimization, the algorithm using MATLAB, the result is satisfactory.