提出了二溴羧基偶氮胂作为显色剂的光度法测定钕铁硼中钕的方法。对各种分析条件进行了试验。用铁溶液打底以抵消铁对钕的干扰。本方法简便、快速、准确,适用于日常分析。 A method for the determination of neodymium in NdFeB with dibromocarboxazo arsine as chromogenic agent is proposed. Various analysis conditions were tested. Base iron solution to counteract the interference of iron with neodymium. The method is simple, fast and accurate, suitable for routine analysis.