怀来县平安寨采石矿一名职工家,用施工水箱水做饭。饭后1小时,全家5人相继出现恶心、呕吐、烦躁、抽搐、口唇粘膜及全身皮肤紫绀等表现,其中3岁男孩死亡,另4人经抢救脱险。采集患者剩余食物及做饭用水进行毒物定性试验,结果亚硝酸盐为阳性,含量高达3211.76mg/kg。进一步调查证实,做饭用水曾于数目前加入50kg亚硝酸钠,证明本起中毒 Huailai County Pingan Village Quarry a worker home, cooking water tank construction. One hour after the meal, the whole family of five people have nausea, vomiting, irritability, convulsions, oral mucosa and systemic skin cyanosis and other performance, of which 3-year-old boy died and the other 4 were rescued. The patient’s remaining food and cooking water were collected for qualitative test of poison, the result was positive for nitrite, the content was as high as 3211.76mg / kg. Further investigation confirmed that cooking water has been added to the number of 50kg sodium nitrite to prove that the poisoning