Olga Casals

University of Barcelona

Gran Via de les Corts Catalanes, 585

Barcelona, 08007

Spain

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Low-Cost Colorimetric Sensor for ppb-Level Formaldehyde Monitoring

Number of pages: 33 Posted: 05 Feb 2026

María González Gómez, Anna Zymohliad, Ismael Benito-Altamirano, Olga Casals, Joan Daniel Prades and Cristian Fàbrega

University of Barcelona, University of Barcelona, University of Barcelona, University of Barcelona, affiliation not provided to SSRN and University of Barcelona

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