土壤中铅、镉测定方案设计.pdf

目录一、设计背景................................................................................................................1二、设计依据................................................................................................................21、设计思路...........................................................................................................22、采取手段...........................................................................................................23、技术方法和路线...............................................................................................2三、实施方案................................................................................................................31、原材料、试剂与仪器.......................................................................................32、样品前处理.......................................................................................................33、标准中间液的配制和标准系列溶液的制作...................................................44、仪器条件优化...................................................................................................45、单因素条件优化实验.......................................................................................46、结果处理...........................................................................................................57、方法学考察.......................................................................................................58、实际样品测定...................................................................................................5四、设计成果................................................................................................................61、最佳仪器工作条件...........................................................................................62、单因素条件优化实验考察结果.......................................................................63、方法学考察结果...............................................................................................74、实际样品测定结果...............................................................