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1案例资料1.1简要案情2007年10月26日,某山林的水沟内发现1具白骨化尸体,仅胃、肝残存少许腐败组织。1.2毒物分析检验检材处理取绞碎后胃、肝组织各约30g,用无水硫酸钠脱水,加入苯15mL,置于具塞三角烧瓶中超声提取20min,震荡20min,用活性炭过滤。重复上述操作,分别用酸液调至pH=2及用碱液调至pH=10,合并提取液,溶剂自然挥干,用1mL无水乙醇溶解,
1 Case Information 1.1 Brief Case On October 26, 2007, a body of white ossification was found in the ditch of a mountain forest, leaving only a little corrupt tissue in the stomach and liver. 1.2 Toxins analysis Check the material processing Take minced stomach, liver tissue about 30g, dehydrated with anhydrous sodium sulfate, add benzene 15mL, placed in a stopper conical flask ultrasonic extraction 20min, shock 20min, activated carbon filter. Repeat the above operations were adjusted to acid pH = 2 and lye adjusted to pH = 10, the combined extract, the solvent evaporated to dryness, dissolved in 1mL of anhydrous ethanol,