Efficacy of Paired Electrochemical Sensors for Measuring Ozone Concentrations.

ABSTRACT: Typical low-cost electrochemical sensors for ozone (O₃) are also highly responsive to nitrogen dioxide (NO₂). Consequently, a single sensor's response to O₃ is indistinguishable from its response to NO₂. Recently, a method for quantifying O₃ concentrations became commercially available (Alphasense Ltd., Essex, UK): collocating a pair of sensors, a typical oxidative gas sensor that responds to both O₃ and NO₂ (model OX-B431) and a second similar sensor that filters O₃ and responds only to NO₂ (model NO2-B43F). By pairing the two sensors, O₃ concentrations can be calculated. We calibrated samples of three NO2-B43F sensors and three OX-B431 sensors with NO₂ and O₃

SUBMITTER: Zuidema C 

PROVIDER: S-EPMC10494896 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature