Vol. 34 (2024)
Artículos de Investigación

español Teaching probe for visible spectrophotometry

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  • Israel Jesús Orlando Guerrero,
  • Zulma Janet Hernández Paxtián,
  • Miguel Ángel Sánchez Acevedo
Israel Jesús Orlando Guerrero
Universidad de la cañada
Zulma Janet Hernández Paxtián
Universidad de la Cañada
Miguel Ángel Sánchez Acevedo
Universidad de la Cañada
DOI: https://doi.org/10.15174/au.2024.4197

Published 2024-10-23

How to Cite

Orlando Guerrero, I. J., Hernández Paxtián, Z. J. ., & Sánchez Acevedo, M. Ángel . (2024). español Teaching probe for visible spectrophotometry. Acta Universitaria, 34, 1–13. https://doi.org/10.15174/au.2024.4197

Abstract

The probes used in the classroom for learning physics allow students to measure and display variables in real time. The main objective of these probes in education is to join science, technology, engineering, and mathematics (STEM), aiming to improve student learning. This research presents the optical and mechanical design, as well as the control algorithm, of a probe used for learning the concept of light transmittance. The probe consists of a single beam spectrophotometer and a digital camera connected to a computer. The components of the spectrophotometer were aligned and assembled into a housing manufactured with a 3D printer. The performance of the probe was evaluated by means of four standard samples used in spectroscopy, and its transmittance plots show characteristic maxima reported in the literature, which demonstrates a good performance of the probe for STEM education.  

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