A portable, low-cost, smartphone assisted methodology for on-site measurement of NO2 levels in ambient air by selective chemical reactivity and digital image analysis
María Cerrato-Álvarez, Samuel Frutos-Puerto, Patricia Arroyo, Conrado Miró-Rodríguez, Eduardo Pinilla-Gil
Topics & Concepts
ReproducibilityNitrogen dioxideCorrelation coefficientDetection limitTriethanolamineSampling (signal processing)Relative standard deviationStandard deviationAnalytical Chemistry (journal)Environmental scienceChemistryFilter (signal processing)Computer scienceMathematicsStatisticsChromatographyComputer visionOrganic chemistryAir Quality Monitoring and ForecastingAir Quality and Health ImpactsAdvanced Chemical Sensor Technologies