Ｃｕ、Ｆｅ、Ｃｏ、Ｎｉ和Ｍｎ是与人类生存环境密切相关的重金属元素，人体摄入过多或过少都会导致生理机能的紊乱，加之我国水资源匮乏，因此测定不同水体中多种重金属的含量对于保护有限的水资源，防止水污染以及在水质监测方面意义重大。近年来用分光光度法测定水中上述离 Cu, Fe, Co, Ni and Mn are heavy metal elements that are closely related to the living environment of human beings. Too much or too little human intake can lead to disruption of physiological functions. Coupled with the shortage of water resources in our country, determination of various heavy metals in different water bodies The content is of great importance in protecting the limited water resources, preventing water pollution and in monitoring water quality. In recent years the spectrophotometric determination of water in the above