Horn method was used to separate four toxicity doses groups, 5 mice in each, dose series was 2 15 times group distance. The static aspiration test was used to detect the doses of compounds in a toxin testing cabinet by HPLC.

• 按霍恩氏 (Horn)法 4个染毒剂量分组 ,每组 5只 ,组距 2 15倍设计剂量系列 ,采用静式呼吸道吸入实验 ,用气相色谱仪对染毒柜内化合物浓度进行测定。