雄黄及其复方制剂中砷含量测定与形态分析目 录摘要............................................................................................................................ -Ⅰ Ⅱ1 前言.............................................................................................................................12 材料与仪器.................................................................................................................42.1 试剂..........................................................................................................................42.2 标准溶液..................................................................................................................52.3 药品..........................................................................................................................52.4 仪器和设备..............................................................................................................63 方法.............................................................................................................................63.1 总砷含量测定..........................................................................................................63.2 可溶性总砷含量测定..............................................................................................83.3 可溶性砷形态分析与含量测定..............................................................................94 结果...........................................................................................................................114.1 样品总砷含量测定结果........................................................................................114.2 样品可溶性总砷含量测定结果............................................................................114.3 样品可溶性砷形态及含量测定结果....................................................................115 讨论........................................................................................