<abstract xmlns="http://www.w3.org/1999/xhtml">A low-cost system to measure low-level nitrogen dioxide (NO2) in an atmosphere was developed. Its major component included a sensor comprising filter paper treated with 3,3’-dimethylbenzidine (<italic>o</italic>-tolidine), a compound that reacts with NO2to generate color proportional to the NO2contacted. In addition to the system development, its utility was optimized and the characteristics of the sensor were defined. Originally developed to determine the NO2levels during direct-fired tobacco curing, the system may be used to determine the NO2levels in other situations.</abstract>

A low-cost system to measure low-level nitrogen dioxide (NO2) in an atmosphere was developed. Its major component included a sensor comprising filter paper treated with 3,3’-dimethylbenzidine (o-tolidine), a compound that reacts with NO2to generate color proportional to the NO2contacted. In addition to the system development, its utility was optimized and the characteristics of the sensor were defined. Originally developed to determine the NO2levels during direct-fired tobacco curing, the system may be used to determine the NO2levels in other situations.

A Low-Cost System for Measuring ppb-Level NO2

KT&G Central Research Institute, 302 Shinseong-dong, Yuseong-gu, Daejeon 305-805, South Korea

Contributions to Tobacco & Nicotine Research

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A Low-Cost System for Measuring ppb-Level NO

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A low-cost system to measure low-level nitrogen dioxide (NO2) in an atmosphere was developed. Its major component included a sensor comprising filter paper...

A Low-Cost System for Measuring ppb-Level NO₂

Published Online: Dec 30, 2014

Page range: 390 - 401

Received: Oct 06, 2004

Accepted: Apr 24, 2005

DOI: https://doi.org/10.2478/cttr-2013-0805

© 2005 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.