Instrumentation for the Measurement of Nitrogen Dioxide

RK Stevens; T Clarke; R Baumgardner; JA Hodgeson

doi:10.1520/STP38965S

SYMPOSIA PAPER Published: 01 January 1974

STP38965S

Instrumentation for the Measurement of Nitrogen Dioxide

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A comparative discussion is given on the operational and response characteristics of colorimetric, chemiluminescent, and electrochemical monitors for ambient nitrogen dioxide (NO₂). Recent studies have demonstrated that ozone (O₃) is a significant negative interference with the automated colorimetric technique, and details of these studies are given. The latest technology for the conversion of NO₂ to nitric oxide (NO) for subsequent chemiluminescent detection is discussed. The mechanism of operation and the chemistry involved with newly developed electrochemical monitors for NO₂are described.

Author Information

Stevens, RK

National Environmental Research Center, Research Triangle Park, N. C.

Clarke, T

National Environmental Research Center, Research Triangle Park, N. C.

Baumgardner, R

National Environmental Research Center, Research Triangle Park, N. C.

Hodgeson, JA

National Environmental Research Center, Las Vegas, Nev.

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Details

Developed by Committee: D22

Pages: 44–51

DOI: 10.1520/STP38965S

ISBN-EB: 978-0-8031-5582-4

ISBN-13: 978-0-8031-0376-4

Instrumentation for the Measurement of Nitrogen Dioxide

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