Quantitative Collection Of Total Inorganic Atmospheric Nitrate On Nylon Filters
- 1 January 1982
- journal article
- research article
- Published by Taylor & Francis in Analytical Letters
- Vol. 15 (9) , 785-796
Abstract
Quantitative collection of total inorganic atmospheric nitrate, i.e., gaseous nitric acid (HONO2) and particulate nitrate (NO− 3) on nylon filters is demonstrated on the basis of field studies conducted during Los Angeles smog episodes (NO3 = 1–44 pg m−3, HONO2=1–36 μg m−3, total nitrate = 5–47 μg m−3, T = 10–33°C, RH = 16–99%, ozone up to 460 ppb) and involving side-by-side comparison of nylon filters and dual Teflon-nylon filter units. Other potential applications of nylon filters to atmospheric sampling are briefly discussed.Keywords
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