Implementing Water Analysis Using Ion Chromatography into Early Undergraduate Chemistry Laboratory Curricula and Outreach Education

将离子色谱法水分析纳入早期本科化学实验室课程和推广教育

• 批准号: 0411143
• 负责人: Minghui Chai
• 金额: $ 6.61万
• 依托单位: Central Michigan University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-15 至 2007-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0411143&HistoricalAwards=false
• 关键词: Implementing; Water; Analysis; Using; Ion

Chemistry (12) We employ two ion chromatography (IC) systems to introduce inquiry and discovery-based experimental projects in water analysis at both the college freshman and sophomore levels, as well as through outreach to gifted middle school students. Accurate analysis of cations and anions by ion chromatography in various water samples improves the laboratory experience of students, since it surpasses conventional titration methods that are difficult to control, exhaustive and tedious. The impact of the new modules on the laboratory curricula is evaluated by comparing motivation and learning with results from traditional experiments.

化学（12）我们采用两个离子色谱（IC）系统，在大学一年级和二年级的水分析中引入基于探究和发现的实验项目，并通过推广到有天赋的中学生。通过离子色谱法对各种水样中的阳离子和阴离子进行准确分析，提高了学生的实验室经验，因为它超越了难以控制，详尽和繁琐的传统滴定方法。新模块对实验室课程的影响进行了评估，通过比较动机和学习与传统实验的结果。