SOA formation from the atmospheric oxidation of MBO - ACPD

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Concentration (ng m -3 ) 1.0 0.8 0.6 0.4 0.2 0.0 Autumn Winter Spring Summer Fig. 8. Ambient concentrations of MBO tracer DHIP measured during 2006 campaign at Duke Forest NC. Figure 8. Ambient concentrations of MBO tracer DHIP measured during 2006 campaign at Duke Forest NC. 24082 Discussion Paper | Discussion Paper | Discussion Paper | Discussion Paper | ACPD 11, 24043–24083, 2011 SOA formation from the atmospheric oxidation of MBO M. Jaoui et al. Title Page Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion
Scheme 1. Proposed fragmentation pathways for silylated compound 20 in EI mode. Scheme 1. Proposed fragmentation pathways for silylated compound 20 in EI mode. Figure 5 shows mass spectra in the EI (top) and CI (bottom) modes for two additional silylated compounds eluting at 25.5 and 26 min (Figure 3, Peaks 42 and 46). The silylated derivative analyzed in CI mode shows fragments at m/z 437 (M +. – 15), 319 (M +. – 133), and 335 (M +. – 117), and generally weak adducts at M +. + 1, M +. + 29, and M +. 24083 + 41. Fragmentation patterns of the silylated compound are Discussion Paper | Discussion Paper | Discussion Paper | Discussion Paper | ACPD 11, 24043–24083, 2011 SOA formation from the atmospheric oxidation of MBO M. Jaoui et al. Title Page Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion
Page 1 and 2: Atmos. Chem. Phys. Discuss., 11, 24
Page 3 and 4: 5 10 15 20 25 the oxidation of MBO,
Page 5 and 6: 5 10 15 20 25 OH and NO 3 radicals,
Page 7 and 8: 5 10 15 20 25 2.2 Gas phase measure
Page 9 and 10: 5 10 15 20 25 All extracts were ana
Page 11 and 12: 5 10 15 20 25 formation during the
Page 13 and 14: 5 10 15 20 25 rationalized based on
Page 15 and 16: 5 10 15 20 25 3.3 Particle-phase pr
Page 17 and 18: 5 10 15 20 25 The GC-MS analysis sh
Page 19 and 20: 5 10 15 20 25 small abundance of 2-
Page 21 and 22: 5 10 15 20 25 fraction was 0.05 (C/
Page 23 and 24: 5 10 15 20 25 30 Environ., 33, 2893
Page 25 and 26: 5 10 15 20 25 30 a review, Atmos. C
Page 27 and 28: Geophys. Res. Lett., 34, L19807, do
Page 29 and 30: Table 2. SOA and gas phase compound
Page 31 and 32: Table 2. Continued. ID Rt MW m/z (m
Page 33 and 34: (a) (a) (b) (b) Fig. 1. Time profil
Page 35 and 36: 1 * 1 * 2 3 * 4 5 3 4 2 * Fig. 3. G
Page 37 and 38: ER464-GF6-BSTFA-ei #1431 T: + c Ful
Page 39: (a): (a): DHIP DHIP (20) (20) in in

SOA formation from the atmospheric oxidation of MBO - ACPD

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