| 比色法测定蔬菜中的亚硝酸盐含量的探究实验 |
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| 引用本文： | 张蕾,宋丽娜,姚志强.比色法测定蔬菜中的亚硝酸盐含量的探究实验[J].鞍山师范学院学报,2008,10(2):35-37. |
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| 作者姓名： | 张蕾 宋丽娜 姚志强 |
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| 作者单位： | 1. 辽宁师范大学,化学化工学院,辽宁,大连,116029
2. 大连开发区第一中学,辽宁,大连,116029;辽宁师范大学,化学化工学院,辽宁,大连,116029 |
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| 摘 要： | 在高中化学课程标准中,针对学生的发展,“实验化学”模块提出“掌握基本的化学实验方法与技能,了解现代仪器在物质的组成、结构和性质研究中的应用”的要求.本文结合课标要求与社会生活实际,设计了一则利用不同技术手段开展探究实验的案例.
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| 关 键 词： | 案例设计 实验研究 亚硝酸盐 |
| 文章编号： | 1008-2441(2008)02-0035-03 |
| 修稿时间： | 2007年10月23 |
Research on Components of Nitrites in Vegetables Based on Colour-comprison |
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| ZHANG Lei,SONG Li-na,YAO Zhi-qiang.Research on Components of Nitrites in Vegetables Based on Colour-comprison[J].Journal of Anshan Teachers College,2008,10(2):35-37. |
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| Authors: | ZHANG Lei SONG Li-na YAO Zhi-qiang |
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| Institution: | ZHANG Lei ,SONG Li-na ,YAO Zhi-qiang ( 1. College of Chemistry and Chemical Engineering, Liaoning Normal University,Dalian Liaoning 116029, China; 2. No. 1 Middle School of Dalian Economic and Technology Area ,Dalian Liaoning 116600, China ) |
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| Abstract: | In the chemical course in high school,"acquiring the basic experimental methods and skills,getting to know the usage of modern test equipments in studying the material's components,structure and characters" is required by "testing chemistry".This paper designs a case in which different technical skills are employed to conduct the test by combining the course demands and the practical social life. |
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| Keywords: | Case design Experimental research Nitrites |
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