本文介绍用原子吸收光谱石墨炉法测定了延边地区朝鲜族健康人和朝鲜族精神分裂症患者头发中的锌、铜,铬的含量。一、对象与材料健康者:在延边地区居民中,经县级以上医院检查证明为健康者103例,年龄为20～59岁,其中男85例,女18例。 This article describes the determination of zinc, copper and chromium in hair of Korean healthy people and Korean schizophrenics in Yanbian by atomic absorption spectrometry graphite furnace method. I. Subjects and Materials Health: Among the residents in Yanbian, 103 cases were found to be healthy by the hospitals above the county level, with a mean age of 20 to 59 years old, including 85 males and 18 females.