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Direct linkHuang, Shu Rong; Palmer, Peter T. – Journal of Chemical Education, 2017
This paper describes a method for determination of trihalomethanes (THMs) in drinking water via solid-phase microextraction (SPME) GC/MS as a means to develop and improve student understanding of the use of GC/MS for qualitative and quantitative analysis. In the classroom, students are introduced to SPME, GC/MS instrumentation, and the use of MS…
Descriptors: Science Instruction, Water, College Science, Undergraduate Study
Davis, Eric J.; Pauls, Steve; Dick, Jonathan – Journal of Chemical Education, 2017
Presented is a project-based learning (PBL) laboratory approach for an upper-division environmental chemistry or quantitative analysis course. In this work, a combined laboratory class of 11 environmental chemistry students developed a method based on published EPA methods for the extraction of dichlorodiphenyltrichloroethane (DDT) and its…
Descriptors: Student Projects, Teaching Methods, Active Learning, Chemistry
