Personal sampler for nitrogen dioxide

Journal Article · Fri Aug 01 04:00:00 EDT 1975 · Am. Ind. Hyg. Assoc. J.; (United States)

OSTI ID:7355077

Palmes, E D; Gunnison, A F; DiMattio, J; Gunnison, J; Tomczyk, C

A new type of personal sampler for gases in air was reported from this laboratory in 1972. The sampler depends on the diffusion of the subject gas through an orifice of known dimensions to a suitable collecting medium at the closed end of the orifice. Knowing the coefficient of diffusion of the gas, it is possible to calculate a theoretical transfer from the environment to the collecting medium by using the diffusion equation. Using trienthanolamine on a suitable support as the collecting medium it was possible to obtain good reproducibility and accuracy when these samplers were compared against wet chemical methods or against permeation tubes. The devices are light and of very simple construction. The nitrogen dioxide collected appears to be sufficiently stable to permit mailing the samples back to the laboratory for final colorimetric estimation of captured NO/sub 2/.

• Research Organization: New York Univ., NY
• OSTI ID: 7355077
• Journal Information: Am. Ind. Hyg. Assoc. J.; (United States), Journal Name: Am. Ind. Hyg. Assoc. J.; (United States) Vol. 36:8; ISSN AIHAA
• Country of Publication: United States
• Language: English

Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACCURACY
AIR POLLUTION MONITORS
AIR SAMPLERS
ALCOHOLS
AMINES
CHALCOGENIDES
DIFFUSION
ETHANOL
HYDROXY COMPOUNDS
LABORATORY EQUIPMENT
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SAMPLERS