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. 2015 Apr 3;120(7):2990–3005. doi: 10.1002/2014JD022378

Figure 5.

Figure 5

IEPOX sulfate mass fraction versus isoprene levels plotted as 5 min averages for (a) acidic aerosols (PALMS acidity signal > 0.002) (orange stars) and (b) near neutralized aerosols (PALMS acidity signal <0.002) (gray stars). IEPOX sulfate mass fraction versus isoprene levels at high NO (>200 pptv) (blue stars) and low NO (<100 pptv) (gray stars) during (c) DC3 and (d) SEAC4RS. The red, black, and blue squares are the averages and error bars represent ±1 standard deviation at different isoprene levels in logarithm scale.