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Diffusive samplers using longitudinal sorbent strips


American Industrial Hygiene Association Journal 47(9): 571-577
Diffusive samplers using longitudinal sorbent strips
Longitudinal strip diffusive samplers (often employing color-change reactants) were analyzed from a theoretical viewpoint. Calculation was carried out analytically in terms of varying effective sampling length for a sampler of quite general geometry. A relationship between exposure (or the time-weighted average of the concentration in air) and analyte mass sampled was derived. Modifications of this relationship as well as estimates of the effect of sampler lag were developed for samplers which employed a semipermeable entrance membrane. Additionally, the detailed concentration distribution and analyte streamlines are given for a specific, idealized sampler geometry.


Accession: 005161138

PMID: 3766404

DOI: 10.1080/15298668691390269



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