1991年7月某单位发生集体食物中毒,78人发病。当时迫切需要鉴定出毒物,以便对这起中毒病人进行抢救治疗。本文建立了未见文献报道的血样,炭肾中痕量“四二四”的分离提取方法和GC-MS分析鉴定方法,在中毒样品中鉴定出剧毒灭鼠药“四二四”。根据治疗用的人工炭肾及治疗后病人血样的鉴定结果,对用人工炭肾透析治疗“四二四”中毒的疗效进行了评价。 In 1991 July a unit of collective food poisoning, 78 people. At that time, there was an urgent need to identify the poison so as to rescue the poisoned patient. This article has established a blood sample that has not been reported in the literature, the trace amount of “four two four” separation and extraction method and GC-MS analysis and identification method in charcoal kidney, and the poisonous rodenticide “four two four”. According to the results of the identification of the blood samples of the treated artificial kidney and the treated patients, the curative effect of artificial kidney dialysis on the “April 24” poisoning was evaluated.