Trace organic compounds in rain. 1. Sampler design and analysis by adsorption/thermal desorption (ATD)
Pankow, JF; Isabelle, LM; Asher, WE
| HERO ID | 32854 |
|---|---|
| In Press | No |
| Year | 1984 |
| Title | Trace organic compounds in rain. 1. Sampler design and analysis by adsorption/thermal desorption (ATD) |
| Authors | Pankow, JF; Isabelle, LM; Asher, WE |
| Journal | Environmental Science & Technology |
| Volume | 18 |
| Issue | 5 |
| Page Numbers | 310-318 |
| Abstract | The design and use of a rain sampler with a 0.89 m2 collection surface area were described. The sampler was controlled electronically, provided for the in situ filtration of the sample and carried out the preconcentration of nonpolar organic compounds by means of cartridges of the sorbent Tenax-GC. The possibility existed for including cartridges of ion-exchanging resin in the sampling train to provide for the preconcentration of organic acids. Analytical results were obtained for 27 compounds by fused silica capillary column gas chromatography with detection by mass spectrometry for 4 rain events sampled 12 km southwest of Portland, OR (USA), at the Oregon Graduate Center (OGC), and for 5 rain events sampled in Southeast Portland. Mean dissolved rain concentrations for alpha-BHC, naphthalene, acenaphthylene, fluorene and phenanthrene were 5.9, 11, 4.7, 3.2 and 24 ng/l, respectively, at OGC. The mean values for the Portland events were 47, 72, 55, 43 and 140 ng/l, respectively. Since dissolved concentrations were measured, the data were also used in conjunction with available Henry's law constants to estimate the concurrent, local atmospheric levels (H) of these compounds at these sites. Many of the H values of interest were available only near 298? K. The further understanding of the wet deposition of toxic organic compounds will be facilitated by the direct study of wet deposition and by the determination of the temperature dependence of the H values of environmentally interesting compounds. |
| Doi | 10.1021/es00123a005 |
| Wosid | WOS:A1984SN91400010 |
| Is Certified Translation | No |
| Dupe Override | No |
| Comments | Scopus URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-0021550483&doi=10.1021%2fes00123a005&partnerID=40&md5=6a0259eb41a2ee1c528bb079c25e9124 |
| Is Public | Yes |
| Language Text | English |
| Relationship(s) |