Figure 3 | Scientific Reports

Figure 3

From: Combined LA-ICP-MS/LIBS: powerful analytical tools for the investigation of polymer alteration after treatment under corrosive conditions

Figure 3

Depth profile measurement comparing a sample exposed to a mixture of 50 ppm O3 and 50 ppm SO2 for 72 h to an unaged sample: (a) Changes in the C2 swan band are used to detect polymer degradation and (b) O emission signal indicates oxidation of the investigated paint sample. Average signals and standard deviations are calculated from 210 LIBS spectra recorded per layer.

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