目 录 1.前言.................................................................2 内容来自www.paper51.com 2.测定原理..............................................................3 内容来自www.paper51.com 3.仪器及试剂 ...........................................................3 内容来自论文无忧网 www.paper51.com 3.1实验仪器 .......................................................3 copyright paper51.com
3.2实验药品及试剂配制 .............................................3 copyright paper51.com 4.黄色磷钼酸喹啉沉淀、过滤和干燥条件的优化选择..........................4 http://www.paper51.com 4.1沉淀时酸度的选择................................................4 http://www.paper51.com 4.2沉淀时温度的选择................................................5 paper51.com 4.3沉淀剂用量的选择................................................5 内容来自www.paper51.com
4.4过滤器型号的选择................................................5 http://www.paper51.com
4.5沉淀干燥温度的选择..............................................5 paper51.com
5.关于共存离子的干扰与消除的分析........................................5 内容来自论文无忧网 www.paper51.com 5.1 NH4+的干扰.......................................................5 paper51.com 5.2 Si的干扰.......................................................6 copyright paper51.com 5.3钨的干扰 ........................................................6 paper51.com 6.总磷的测定.............................................................7 http://www.paper51.com 6.1溶样.............................................................7 copyright paper51.com
6.2测定.............................................................7 paper51.com 6.3空白试验.........................................................7 copyright paper51.com 6.4数据记录及处理...................................................8 copyright paper51.com 7.实验分析及讨论.........................................................8 内容来自论文无忧网 www.paper51.com 7.1对测定结果的分析.................................................8 内容来自www.paper51.com
7.2关于样品称取量的讨论.............................................8 copyright paper51.com 7.3关于喹钼柠酮溶液(沉淀剂)配制的探讨.............................9 内容来自www.paper51.com 7.3.1配置过程的探讨.................................................9 http://www.paper51.com 7.3.2柠檬酸的作用..................................................10 内容来自www.paper51.com 7.3.3 丙酮的作用....................................................10 copyright paper51.com 7.3.4喹钼柠酮试剂的保存............................................10 内容来自论文无忧网 www.paper51.com 7.4 对本次实验的总结....................................................10 http://www.paper51.com 7.4.1确定一个分析方法需要多方面的综合知识...........................10 copyright paper51.com
7.4.2在论文实验中自己的科研能力得到较大的提高.......................11 内容来自www.paper51.com 致谢...................................................................12 http://www.paper51.com
参考文献...............................................................12 http://www.paper51.com |