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Personal sampler for nitrogen dioxide

E D Palmes, A F Gunnison, J DiMattio

American Industrial Hygiene Association Journal

|October 1, 1976

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A novel personal gas sampler was adapted for nitrogen dioxide (NO2) measurement. This diffusion-based device offers accurate, simple, and reliable air quality monitoring.

Area of Science:

Environmental Science
Analytical Chemistry
Air Quality Monitoring

Background:

Accurate measurement of atmospheric gases like nitrogen dioxide (NO2) is crucial for environmental and health assessments.
Existing personal sampling methods may have limitations in terms of accuracy, ease of use, or shelf life.

Purpose of the Study:

To adapt a previously developed personal gas sampler for the specific measurement of nitrogen dioxide (NO2).
To evaluate the performance characteristics of this adapted sampler for NO2 detection.

Main Methods:

The sampler utilizes diffusion for NO2 transfer to a triethanolamine-coated collector within a sealed tube.
The open end of the tube is exposed to the ambient air for sampling.

Main Results:

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The adapted personal sampler demonstrated accuracy in NO2 measurement.
The devices were found to be light, simple to operate, and possess excellent shelf life both before and after sampling.

Conclusions:

The adapted personal sampler is a viable tool for accurate and convenient NO2 air monitoring.
This method offers a practical solution for personal exposure assessment of nitrogen dioxide.