Fig. 1

Example of a large difference between SULpeak between scan 1 (a, c, e) and scan 2 (b, d, f), the difference in SULpeak between both scans is 1.4
Example of a large difference between SULpeak between scan 1 (a, c, e) and scan 2 (b, d, f), the difference in SULpeak between both scans is 1.4