本科毕业论文--市售松花蛋中铅含量的评价

本科毕业论文--市售松花蛋中铅含量的评价

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时间:2019-03-30

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1、学号20070701050232密级第二稿2011-5-10兰州城市学院本科毕业论文市售松花蛋中铅含量的评价学院名称:化学与环境科学学院专业名称:化学学生姓名:夏玫指导教师:陈明凯副教授二○一一年五月16BACHELOR'SDEGREETHESISOFLANZHOUCITYUNIVERSITYThefunctionalitiesofleadSongHuaDantheevaluationCollege:ChemistryandEnvironmentalScienceSubject:ChemistryName

2、:MeiXiaDirectedby:MingkaiChenAssociateprofessorMay201116郑重声明本人呈交的学位论文,是在导师的指导下,独立进行研究工作所取得的成果,所有数据、图片资料真实可靠。尽我所知,除文中已经注明引用的内容外,本学位论文的研究成果不包含他人享有著作权的内容。对本论文所涉及的研究工作做出贡献的其他个人和集体,均已在文中以明确的方式标明。本学位论文的知识产权归属于培养单位。本人签名:日期:16目录中文摘要·······························

3、·····················································································6英文摘要·····················································································································7第1章绪论··········································

4、·······································································81.1研究背景········································································································81.2松花蛋工艺简介·····························································

5、·······························91.3氧化铅在加工中的引入················································································91.4课题的探究内容····························································································9第2章铅含量的测定·················

6、···········································································102.1实验概述········································································································102.2实验试剂与仪器·······················································

7、·····································102.2.1实验试剂······························································································102.2.2仪器仪器······························································································102.2.3样

8、品··················································································1016····················2.2.4铅标准溶液的配制··············································································102.3样品预处理·······

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