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目录 1 引言.........................................................1 内容来自www.paper51.com 2 实验部分.....................................................1 paper51.com 2.1火焰原子吸收分光光度法....................................1 paper51.com 2.1.1实验原理..............................................1 copyright paper51.com 2.1.2茶叶样品..............................................2 http://www.paper51.com 2.1.3仪器与试剂............................................2 http://www.paper51.com 2.1.3.1仪器：............................................2 http://www.paper51.com 2.1.3.2试剂：............................................2 http://www.paper51.com 2.1.3.3仪器工作条件（表1）..............................2 http://www.paper51.com 2.1.4实验步骤..............................................2 http://www.paper51.com
2.1.4.1试样的处理........................................2 内容来自论文无忧网 www.paper51.com 2.1.4.2标准曲线的绘制....................................3 copyright paper51.com 2.1.4.2.1 1.000 g/L钙标准贮备液的配置....................3 http://www.paper51.com
2.1.4.2.2 0.0100g/L钙标准使用液的配置....................3 paper51.com 2.1.4.2.3 钙标准曲线的绘制...............................3 paper51.com 2.1.4.2.4 空白样品的配置.................................3 copyright paper51.com
2.1.5样品的测定............................................3 copyright paper51.com
2.1.6 浸泡法................................................3 内容来自论文无忧网 www.paper51.com
2.2 EDTA滴定法...............................................3 paper51.com 2.2.1 实验原理..............................................3 http://www.paper51.com 2.2.2 茶叶样品..............................................4 paper51.com 2.2.3仪器与试剂.............................................4 paper51.com
2.2.3.1仪器：.............................................4 内容来自论文无忧网 www.paper51.com 2.2.3.2试剂：.............................................4 内容来自论文无忧网 www.paper51.com 2.2.4实验步骤..................................................4 copyright paper51.com 2.2.4.1 0.01mol/LEDTA溶液的配置.............................4 copyright paper51.com 2.2.4.2以碳酸钙为基准物标定EDTA.............................4 http://www.paper51.com 2.2.4.2.1 配制0.010mol/L钙标准溶液.......................4 paper51.com 2.2.4.2.2 EDTA溶液浓度的标定..............................5 http://www.paper51.com 2.2.4.3 试液中钙离子浓度的测定..............................5 copyright paper51.com 3 实验结果与分析..................................................5 paper51.com
3.1 火焰原子吸收分光光度法实验结果...............................5 内容来自www.paper51.com 3.1.1标准曲线的数据...........................................5 copyright paper51.com 3.1.2 钙标准曲线（图1）........................................6 copyright paper51.com
3.1.3钙含量测试结果............................................6 内容来自论文无忧网 www.paper51.com 3.1.4 回收率实验................................................7 copyright paper51.com 3.1.5 灰化法测定结果............................................7 paper51.com
3.1.6 浸泡法测定结果............................................7 http://www.paper51.com 3.2 EDTA滴定法实验结果..........................................8 paper51.com 3.2.1 EDTA溶液浓度的标定......................................8 内容来自www.paper51.com 3.2.2 EDTA滴定法测定试液中钙离子浓度..........................8 http://www.paper51.com 3.3 结果分析......................................................9 内容来自www.paper51.com 4 实验收获.........................................................9 内容来自www.paper51.com
4.1 能力收获.....................................................9 paper51.com 4.2 知识收获.....................................................9 内容来自www.paper51.com 致谢................................................................9 内容来自www.paper51.com 参考文献...........................................................10 http://www.paper51.com
英文翻译...........................................................11 http://www.paper51.com
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