1·Using acetone adds the water withdraws the atrazine in the soil, than extract with trichloromethane, after concentrated and settle to permit, use the capillary gas chromatography.
采用丙酮加水提取土壤中的阿特拉津，再用三氯甲烷萃取，经浓缩、定容后，用毛细管气相色谱法测定。
2·Through the investigation and analysis of a case of acute occupational trichloromethane poisoning, to put forward preventive measures and prevent the occurrence of similar incidents.
目的通过对肇庆市某塑胶五金电子厂发生的一起急性职业性三氯甲烷中毒事故的调查分析，提出预防措施，杜绝类似事故的发生。