龙牌酱油中砷的测定方案设计目录第一章引言.......................................................11.1龙牌酱油的简介.....................................................11.2砷的危害...........................................................11.3现有的检测方法.....................................................1第二章砷的测定方法及分析.............................................32.1砷的测定方法.......................................................32.1.1银盐法...........................................................32.1.2氢化物发生原子荧光光谱法.........................................32.1.3电感耦合等离子体质谱法...........................................32.2样品的预处理方法...................................................42.2.1干灰化法.........................................................42.2.2湿法消化法.......................................................42.2.3预处理对实验结果的影响...........................................4第三章龙牌酱油中砷的测定方案设计...................................63.1方案设计的目的依据与适用范围.......................................63.1.1设计目的.........................................................63.1.2设计理论依据.....................................................63.1.3适用范围.........................................................63.1.4安全提示.........................................................63.2仪器与试剂.........................................................63.2.1仪器.............................................................63.2.2试剂.............................................................73.3设计流程图.........................................................93.4分析步骤...........................................................93.4.1样品处理.........................................................93.4.2砷标准溶液配制..................................................101龙牌酱油中砷的测定方案设计3.4.3测定............................................................103.5数据处理..........................................................103.5.1数据记录........................................................103.5.2计算数据......................................................