有机化合物中磷的微量分析,是一个比较困难的问题。经典的重量法准确度较高,但要经过沉淀、过滤和干燥恒重等步骤,相当费时,这对于常规分析来说是不合适的;分光光度法则条件较苛刻,误差也大。为了满足常规分析的需要,本文拟探索一个简便易行、终点敏锐、准确快速的容量法。 Micro-analysis of phosphorus in organic compounds is a relatively difficult issue. The classical gravimetric method has higher accuracy, but it takes a long time to go through steps of sedimentation, filtration and drying constant weight, which is not suitable for routine analysis. The conditions of spectrophotometry are harsh and the error is also big. In order to meet the needs of routine analysis, this article intends to explore a simple and easy, sharp endpoint, accurate and rapid capacity method.