Redundant Calibration of Nitric Oxide, Carbon Monoxide, Nitrogen Dioxide, and Ozone Air Pollution Monitors by Chemical and Gravimetric Techniques

DH Stedman; HH Alvord; G Kok; R Delumyea

doi:10.1520/STP32375S

SYMPOSIA PAPER Published: 01 January 1976

STP32375S

Redundant Calibration of Nitric Oxide, Carbon Monoxide, Nitrogen Dioxide, and Ozone Air Pollution Monitors by Chemical and Gravimetric Techniques

Source

Calibrated nitric oxide (NO) sources are described using ammonia and nitromethane permeation followed by pyrolysis. A field carbon monoxide calibrator based on nickel carbonyl as the liquid fill is discussed. Two techniques for intercalibrating chemiluminescent NO and ozone (O₃) meters using the photolysis of nitrogen dioxide (NO₂) are demonstrated, together with the feasability of a continuous check on NO, NO₂, and O₃ meters in ambient air, based on a photostationary state measurement.

Author Information

Stedman, DH

University of Michigan, Ann Arbor, Mich.

Kok, G

Harvey Mudd College, Claremont, Calif.

Delumyea, R

University of Michigan, Ann Arbor, Mich.

Alvord, HH

University of Michigan, Ann Arbor, Mich.

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Details

Developed by Committee: D22

Pages: 337–344

DOI: 10.1520/STP32375S

ISBN-EB: 978-0-8031-4674-7

ISBN-13: 978-0-8031-0297-2

Redundant Calibration of Nitric Oxide, Carbon Monoxide, Nitrogen Dioxide, and Ozone Air Pollution Monitors by Chemical and Gravimetric Techniques

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