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Interferences in sampling atmospheric particulate nitrate
Abstract The vast majority of atmospheric data on particulate nitrate concentrations is based on filter collections employing glass fiber filters. Recent laboratory studies indicate that these data may be in error due to collection of gaseous nitrates and nitrate precursors on the filters. This communication documents the severity of the interference under ambient sampling conditions. Two types of glass fiber filters in widespread use were found to collect 10–20 times as much artifact nitrate as actual particulate nitrate.
Interferences in sampling atmospheric particulate nitrate
Abstract The vast majority of atmospheric data on particulate nitrate concentrations is based on filter collections employing glass fiber filters. Recent laboratory studies indicate that these data may be in error due to collection of gaseous nitrates and nitrate precursors on the filters. This communication documents the severity of the interference under ambient sampling conditions. Two types of glass fiber filters in widespread use were found to collect 10–20 times as much artifact nitrate as actual particulate nitrate.
Interferences in sampling atmospheric particulate nitrate
Spicer, Chester W. (author) / Schumacher, Philip M. (author)
Atmospheric Environment ; 11 ; 873-876
1977-06-30
4 pages
Article (Journal)
Electronic Resource
English
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