一、前言长年以来,我们测定全铁都使用汞盐、平均每天约有5克左右汞盐随污水排除,这对环境造成很大污染,给人民身体健康带来损失,因此,对原有用汞盐测定全铁的方法进行改革取消汞盐公害是刻不容缓的,对于消除环境污染,保障人民身体健康,保障我国的四化建设都 I. Foreword For many years, we have determined that all irons use mercury salts. On average, about 5 grams of mercury salts are eliminated with the sewage every day, which causes great pollution to the environment and causes losses to people’s health. Therefore, Determination of total mercury iron salt method of reform to eliminate mercury pollution is urgent, for the elimination of environmental pollution, protect people’s health and safeguard our country’s four construction are