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MAP20071019997Hori, HajimeResponse characteristics of the diffusive sampler at fluctuating vapor concentrations / Hajime Hori, Isamu TanakaSumario: An unsteady state model for calculating the collecting characteristics of organic vapors in the diffusive sampler is proposed using Fick's law and a mass balance equation. The results of a theoretical model suggest that when the vapor concentration in the ambient air rises suddenly from zero, a larger mass of the vapors should move into the sampler than will move under the steady state conditions because a greater vapor concentration gradient is formed in the samplerEn: American Industrial Hygiene Association journal. - Fairfax, Virginia. - Vol. 54, nº 3, March 1993 ; p. 95-1011. Higiene industrial. 2. Contaminantes químicos. 3. Vapores orgánicos. 4. Contaminación atmosférica. 5. Control de la contaminación. 6. Muestreador. 7. Muestreos. I. Tanaka, Isamu. II. Title. III. Título: American Industrial Hygiene Association journal.