随着我国工业的飞速发展,铅的使用日益广泛,接触铅作业的人数相应增多,为了预防铅中毒,保护工人健康,除加强防护外,早期发现中毒患者,及时进行处理,是十分重要的,而测定尿中铅含量对于铅作业工人的中毒普查、诊断和疗效观察具有很大的意义。由于正常人(尤其是城市居民)的生活中,每日可有一定量的铅经食物、饮水和 With the rapid development of China’s industry, the use of lead is more and more extensive, and the number of people exposed to lead is correspondingly increased. In order to prevent lead poisoning and protect workers’ health, it is very important to detect the poisoned patients in an early stage and to deal with them in a timely manner. The determination of lead in urine for lead workers poisoning survey, diagnosis and efficacy of great significance. As normal people (especially urban residents) in the daily life, there may be a certain amount of lead by food, water and