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This hand-held spectrofluorometer helps students explore light properties in fluorescent solutions, indicating practical learning benefits.
A hand-held spectrofluorometer with a grating for spectral analysis was constructed for helping secondary students understand excitation and emission of fluorescing solutions. It was designed to give students hands-on experience with light properties of fluorescent (merbromin, chlorophyll) and non-fluorescent (food coloring) solutions and allows students to qualitatively and visually investigate different emitted and transmitted lights.
Kruatong et al. (2010) studied this question.
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