2021
DOI: 10.21577/1984-6835.20200137
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Determination of Iron Content Using the PhotoMetrix PRO® Application: Technology in Favor of Teaching Chemistry

Abstract: Information and Communications Technology in the teaching of chemistry has been a trend in the field of education, especially when the teacher aims to increase student interest and raise the quality of the classes. In this work, the PhotoMetrix PRO® app, free and available for smartphones, was used to in a colorimetry practice to measure iron by the reaction with thiocyanate. Spectrometer set at visible range is used to monitoring this reaction. At practical classes in high school, in technical and undergradua… Show more

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“…The analyses were conducted using the apparatus shown in Figure 1, which was used for light control and the proper positioning of the samples. The apparatus consisted of a wooden box with the interior coated in black ink, sheets of sulfite paper to ensure the contrast of the colorimetric reactions, LED cables connected to a 9V battery cell used as a power source, and a support for securing the smartphone onto the surface of the box (de Lourenço et al, 2021).…”
Section: Monitoring the Colorimetric Reactionsmentioning
confidence: 99%
“…The analyses were conducted using the apparatus shown in Figure 1, which was used for light control and the proper positioning of the samples. The apparatus consisted of a wooden box with the interior coated in black ink, sheets of sulfite paper to ensure the contrast of the colorimetric reactions, LED cables connected to a 9V battery cell used as a power source, and a support for securing the smartphone onto the surface of the box (de Lourenço et al, 2021).…”
Section: Monitoring the Colorimetric Reactionsmentioning
confidence: 99%