Video-Supported Case Study for Course Review in Quantitative Instrumental Element Analysis

IF 2.5 3区教育学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of Chemical Education Pub Date : 2023-09-06 DOI:10.1021/acs.jchemed.3c00254

Gunnar Schwarz*, and , Monique Kuonen,

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Abstract

We present a showcase of our experience with videos complementing analytical chemistry lectures to familiarize undergraduate students with instrumental element analysis. This includes a detailed account of how we planned, produced, and utilized a video to review the course content at the end of the semester. The analytical case study focused on the determination of magnesium in two well water samples with emphasis on flame atomic absorption spectroscopy, while also comparing results with inductively coupled plasma optical emission spectroscopy and titration measurements. During the lecture, we engaged students by asking them for suggestions on how to carry out the measurements before showing the respective video sections. A survey among the students revealed a remarkably positive response to this approach. We demonstrate our video production approach by making decisions and choices from the video production, such as recording and editing, explicit and conclude with practical advice for planning and producing similar videos to visualize case studies.

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定量仪器元素分析课程复习的视频支持案例研究

我们通过视频展示我们的经验，补充分析化学讲座，让本科生熟悉仪器元素分析。这包括我们如何计划、制作和使用视频在学期末复习课程内容的详细说明。分析案例研究的重点是测定两个井水样品中的镁，重点是火焰原子吸收光谱法，同时还将结果与电感耦合等离子体发射光谱法和滴定测量法进行了比较。在讲座中，我们在展示各自的视频部分之前，向学生征求如何进行测量的建议，以此吸引他们。一项针对学生的调查显示，他们对这种方法的反应非常积极。我们通过在视频制作中做出决策和选择（如录制和编辑）来展示我们的视频制作方法，并明确提出规划和制作类似视频的实用建议，以可视化案例研究。

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来源期刊

Journal of Chemical Education 化学-化学综合

CiteScore

5.60

自引率

50.00%

发文量

465

审稿时长

6.5 months

期刊介绍： The Journal of Chemical Education is the official journal of the Division of Chemical Education of the American Chemical Society, co-published with the American Chemical Society Publications Division. Launched in 1924, the Journal of Chemical Education is the world’s premier chemical education journal. The Journal publishes peer-reviewed articles and related information as a resource to those in the field of chemical education and to those institutions that serve them. JCE typically addresses chemical content, activities, laboratory experiments, instructional methods, and pedagogies. The Journal serves as a means of communication among people across the world who are interested in the teaching and learning of chemistry. This includes instructors of chemistry from middle school through graduate school, professional staff who support these teaching activities, as well as some scientists in commerce, industry, and government.

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