Retention of sulfur dioxide by nylon filters

Autor:	Joseph E. Sickles, Laura L. Hodson
Rok vydání:	1999
Předmět:	Atmospheric Science chemistry.chemical_compound Waste management Nylon filter Chemistry Relative humidity Composite material Sulfur dioxide General Environmental Science Ambient air Filter (aquarium)
Zdroj:	Atmospheric Environment. 33:2423-2426
ISSN:	1352-2310
DOI:	10.1016/s1352-2310(98)00426-9
Popis:	Based on laboratory studies, recovery efficiencies of sulfur dioxide (SO2) were determined for nylon filters. The nylon filters used in these experiments were found to retain SO2. A relatively uniform amount (1.7%) was recoverable from each nylon filter, independent of relative humidity. An appreciable portion of SO2 was unrecoverable, and this increased from 5 to 16% as the RH increased from 28 to 49%. This unrecoverable SO2 may account for previous reports of a low bias for SO2 determinations employing filter packs using nylon filters. Additional characterization of nylon filters is recommended prior to their future deployment as an integrative sampling medium for ambient air.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9342e3a0ba754fef1b6a9cda4a7bdafa https://doi.org/10.1016/s1352-2310(98)00426-9 Zobrazit plný text záznamu Full Text from ScienceDirect