Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Concentrations and discrepancies of 2-methyltetrols (μg m−3) from laboratory-generated SOA and ambient PM2.5 samples measured by HILIC/ESI-QTOFMS and GC/EI-MS
| 2-Methyltetrols (μg m−3) | HILIC/ESI-QTOFMS | GC/MS | Ratio (GC/HILIC) |
|---|---|---|---|
|
| |||
| Laboratory β-IEPOX SOA | 69.05 | 140.86 | 204% |
| Laboratory δ-IEPOX SOA | 51.91 | 122.56 | 236% |
| Look Rock, TN, USA | 0.861 | 1.381 | 160% |
| Manaus, Brazil | 0.137 | 0.394 | 288% |
