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在ｐＨ４．５０的０．０５ｍｏｌ／ＬＨＡｃ－ＮａＡｃ介质中，研究了钼（Ⅵ）－邻菲络啉的极谱行为。钼（Ⅵ）－邻菲络啉（ｐｈｅｎ）配合物在２．５次微分极谱仪上于－０．５０Ｖ，－０．６７Ｖ处产生两个吸附还原波，后者的峰峰值ｅ″ｐｐ与钼（Ⅵ）浓度在２．０×１０－８～８．０×１０－６ｍｏｌ／Ｌ范围内呈线性关系，检出下限可达５．０×１０－１０ｍｏｌ／Ｌ。研究了配合物组成，极谱波的性质及其机理。应用该法测定豆类食品中的微量钼，选择性好，灵敏度高。
The polarographic behavior of molybdenum (Ⅵ) - o - phenanthroline was studied in 0.05 mol / L HAc - NaAc media at pH4.50. Molybdenum (Ⅵ) -phenanthroline (phen) complexes produced two adsorption-reduction waves at -0.50V and -0.67V on a 2.5-fold differential polarograph with peak-to-peak e "pp And the molybdenum (Ⅵ) concentration in the range of 2.0 × 10-8 ~ 8.0 × 10-6mol / L showed a linear relationship, the detection limit of up to 5.0 × 10-10mol / L. Study of the complex composition , The nature of polarographic wave and its mechanism.Using the method to determine trace amounts of molybdenum in legumes, the method has good selectivity and high sensitivity.