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本文基于离子色谱(IC)柱后衍生法,研究并建立了对大豆种皮中铁的测定方法.通过对流动相组分、pH 和柱后衍生液的选择,建立了从样品处理到测定步聚一整套可同时分离测定 Fe(Ⅱ),Fe(Ⅲ)的有效方法.方法的重复性好,精确度高.
Based on the post-column derivatization method of ion chromatography (IC), a method for the determination of iron in soybean seed coat was developed and established.From the sample processing to the step-by-step determination of the mobile phase components, pH and post-column derivatization, A Complete Set of Effective Methods for Simultaneous Determination of Fe (Ⅱ) and Fe (Ⅲ). The method has good repeatability and high accuracy.