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1、毕业设计（论文）毕业设计（论文）类 型：毕业设计说明书 毕业论文题 目：Mo()-乙基橙-溴酸钾催化动力学光度法测定痕量钼学生姓名：指导教师：专 业：工业分析与检验时 间：2011.4their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand val
2、ue, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road
3、 the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resourc
4、es, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the i
5、ndustry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market
6、, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality man
7、agement management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) ser
8、iously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and f
9、unds, enterprise and industry group mission to promote leapfrog development. 南通职业大学 2011届毕业设计（论文）任务书学生姓名所学专业工业分析与检验班级分析081课题名称Mo()-乙基橙-溴酸钾催化动力学光度法测定痕量钼工作内容（应完成的设计内容、论文内容）1.选定论文题目、文献检索、资料查阅、设计实验方案、实验准备； 2.分析钼的性质、用途、测定意义及常用检测方法，进行实验；3.对实验数据处理：线性相关系数、含量、加标回收率；4.撰写论文，对所测得的数据进行必要的理论分析且得出结论。工作要求（设计应达到的性能、
10、指标，论文质量要求）1.利用催化动力学光度法测定痕量钼，并且利用加标回收率来验证此种方法的准确性；2.要求实验数据真实可信，能完整的得出结论3.论文规范、结构合理、语言精练，能合理的阐述出痕量钼的测定方法，并且观点正确，理论分析有一定深度，有独到见解。主要参考资料1 朱庆仁,孙登明,李海燕.萃取催化动力学光度法测定痕量钼J.光谱学与光谱分析,2002,22(1):107-109.2 许庆福，王卿.催化极谱法测定土壤中有效钼方法的改进J.理化检验-化学分册,2004,40(3):173-175.3 陶贤平主编.化工实习及毕业论文（设计）指导.北京:化学工业出版社,2010.工作进度要求10年10
11、月21日 10年10月31日 查找文献、确定实验体系，准备实验试剂和仪器10年11月01日11年03月20日 实验及实验结果讨论11年03月21日10年04月10日 实验、撰写论文、修改论文11年04月11日 交论文打印稿11年04月12日11年04月22日 制作演讲ppt、准备答辩11年04月23日 04月24日 参加答辩课题组其他成员邹文浩指导教师（签名）教研室主任（签名）部门批准（盖章）签发日期2010年10月20日南通职业大学毕业设计（论文） Mo()-乙基橙-溴酸钾催化动力学光度法测定痕量钼摘 要基于在NH3NH4Cl缓冲溶液介质中，钼（）对溴酸钾氧化乙基橙褪色反应有灵敏的催化作用，
12、建立了测定钼（）的动力学新方法。研究了该催化褪色反应的最佳动力学条件和参数。线性范围在0.020.4g/mL时符合比耳定律，检出限为2.38ng/mL。催化反应为动力学一级反应，表现活化能为133.53kJ/mol。反应速率常数为1.410-3s-1。考察了多种共存离子的影响，表明本方法具有较好选择性。方法用于土壤中痕量钼的测定，相对标准偏差为4.0%，试样加标回收率为99.0%103.0%；用于黄豆样品中痕量钼的测定，相对标准偏差为0.9%，式样加标回收率为99.3%101.0%。关键词：催化动力学；光度法；溴酸钾；乙基橙；钼AbstractBased on NH3-NH4Cl buffer
13、 solution medium,molybdenum () on ethyl Orange potassium bromate sensitive catalytic reaction,the establishment of a determination of molybdenum () new method of dynamics.Studied the kinetics of catalytic fading reaction conditions and parameters of the best.Linear range of 0.02 0.4g/mL law is obeye
14、d when the detection limit is 2.38ng/mL.Catalytic reaction is first order reaction kinetics, activation energy is 133.53kJ/mol.Reaction rate constant of 1.4 10-3s-1.Investigated the impact of foreign ions,indicating that the method has good selectivity. Method for the determination of trace molybden
15、um in soil， the relative standard deviation was 4.0%, sample recovery was 99.0% 103.0%; soybean samples for the determination of trace molybdenum, the relative standard deviation was 0.9%, patternThe recovery was 99.3% to 101.0%.Key words: Catalytic; spectrophotometry; potassium bromate; ethyl orange; molybdenum.目 录摘 要 Abstract
