气相色谱质谱分析实验课程体系的构建与实践

Construction and practice of gas chromatography mass spectrometry experimental course system

为培养本科学生的科研技能,大型仪器设备与本科实验教学共享是高校实验教学的趋势。河北大学国家级化学实验教学示范中心利用共享平台中的气相色谱质谱仪,以“气相色谱质谱法测定垃圾焚烧飞灰中氯苯类化合物”为主题,开设了“创新化学实验—气相色谱质谱分析”课程。建立并实施了由“导学、引学、促学”三阶段教学模式与“基础操作实验、定性分析实验、定量综合实验”三层次递进式实验内容组成的实验课程体系。实践证明:该课程体系有效激发了学生的学习兴趣,拓展了气相色谱质谱联用仪的操作应用深度和广度,有效提高了学生的合作能力、探究能力、实验操作能力。

In order to cultivate the scientific research skills of undergraduate students,the sharing of large-scale equipment and undergraduate experiment teaching are a trend in university teaching.The National Chemical Experimental Teaching Demonstration Center of Hebei University uses the gas chromatography-mass spectrometer on the shared platform to set up a course of“Innovative Chemistry Experiment-Gas Chromatography Mass Spectrometry”.The subject of the experiment course is“Determine Chlorobenzene Compounds in Waste Incineration Fly Ash by Gas Chromatography Mass Spectrometry”.Construction and practice experimental course system include the three-stage teaching mode and the three-level progressive experimental project.The three-stage teaching models include guiding learning,introducing learning and promoting learning.The three-level progressive experimental projects include basic operation experiment,qualitative analysis experiment and quantitative comprehensive experiment.Practice has proved that the course system has effectively stimulated students interest in learning,also expanded the depth and breadth of the operation and application of gas chromatography-mass spectrometry and effectively improved students’ability to cooperate,explore and operate in experiments.