本文目的在于研究某些食品及化学品,在正常钙代谢情况下,对胃肠道吸收铅的影响。实验用~(210)Pb同位素标记的醋酸铅,按0.2、2和20毫克/公斤体重剂量给小鼠口服,4小时后杀死动物,测各组动物的吸收量。发现剂量的大小对吸收的百分率并无明显影响,平均吸收率都为5～6%。这些动物在观察吸收之前自由进 The purpose of this article is to study the effects of certain foods and chemicals on the absorption of lead in the gastrointestinal tract in the context of normal calcium metabolism. Experiments with ~ (210) Pb isotope labeled lead acetate, 0.2,2 and 20 mg / kg body weight of oral dose to mice, 4 hours after the animals were killed to measure the absorption of each group of animals. It was found that the size of the dose had no significant effect on the percentage of absorption, with an average absorption of 5-6%. These animals are free to enter before looking at the absorption