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Full-Text Articles in Science and Mathematics Education

Chemical Kinetics Using A Smartphone Spectrometer, Mary Greggila Jan 2019

Chemical Kinetics Using A Smartphone Spectrometer, Mary Greggila

Williams Honors College, Honors Research Projects

In a time where many high school science classes are lacking in quality laboratory education, there is a need for accessible chemical equipment that enhance teaching fundamental concepts of chemistry with ease and at a low cost. The DualSpec handheld smartphone spectrometer aims to be a quality open-source spectroscopic instrument that can easily be made and used at home by people of any scientific level. This research sought to show that the DualSpec could be used to teach higher level spectroscopic concepts such as those used in chemical kinetics. The DualSpec was compared to a commercial spectrometer using the commonly …


Creation Of A Portable, 3d-Printable, Iphone-Compatible Spectrophotometer, Elise K. Grasse Jan 2015

Creation Of A Portable, 3d-Printable, Iphone-Compatible Spectrophotometer, Elise K. Grasse

Williams Honors College, Honors Research Projects

Spectroscopy is a widely used chemical and medical analysis tool. While spectrophotometers are commonly found in many universities and laboratories, they are not available to all high schools or laboratories in developing countries. The objective of this project was to design a high-quality, 3D-printable, iPhone-compatible spectrophotometer that uses a cell phone camera and interface to collect data. The created 3D-print file will be available to anyone with access to a 3D printer which are increasingly found in many laboratories and schools across the country. A low cost pre-printed kit will also be made for those without access to a 3D …