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目 录 1.前言 .....................................................................................................................................2 http://www.paper51.com 2.实验部分 ...........................................................................................................................3 内容来自www.paper51.com 2.1实验原理 ............................................................................................................3 内容来自论文无忧网 www.paper51.com 2.2 主要反应式 ............................................................................................................3 copyright paper51.com
2.3仪器及试剂 .......................................................................................................3 copyright paper51.com 2.3.1实验仪器 .......................................................................................................3 内容来自论文无忧网 www.paper51.com 2.3.2实验药品及试剂..................................................................................................3 内容来自www.paper51.com 2.4 测定条件的选择试验 .........................................................................................4 内容来自www.paper51.com 2.4.1 酸碱度的选择........................................................................................................4 http://www.paper51.com
2.4.2 5%聚乙烯醇溶液用量的选择 ......................................................................5 paper51.com 2.4.3碘化钾固体用量的选择.........................................................................................6 内容来自论文无忧网 www.paper51.com
2.5 测定步骤 .............................................................................................................7 http://www.paper51.com 2. 5.1. Na2S2O3 溶液浓度的标定….……….……………….....................................8 内容来自www.paper51.com
2.5.2 铜矿石中铜的测定........................................................................................8 内容来自论文无忧网 www.paper51.com 2.5.3铜矿石中铜的铜含量的计算........................................................................8 copyright paper51.com 2.5.4 数据记录及处理............................................................................................8 http://www.paper51.com
2.5.5 测定结果.....................................................................................................10 paper51.com 3结果与讨论.........................................................................................................................10 http://www.paper51.com 3.1 酸碱度分析结果及讨论.........................................................................................10 内容来自论文无忧网 www.paper51.com
3.2 5%聚乙烯醇溶液用量的分析结果及讨论 .............................................10 http://www.paper51.com 3.3 碘化钾固体用量的分析结果及讨论.....................................................................11 内容来自论文无忧网 www.paper51.com 3.4 共存离子干扰与消除的分析结果及讨论 .........................................................11 paper51.com 4.实验收获和总结.................................................................................................................11 copyright paper51.com 致谢........................................................................................................................................12 paper51.com 参考文献 ............................................................................................................................13 paper51.com
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