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Fig. 10 | Environmental Sciences Europe

Fig. 10

From: A method for analysis of nuisance dust from integrated steel works: chemical and mineralogical characteristics of contributing sources

Fig. 10

a Region of interest in SEM-BSE image of nuisance dust example (Fig. 1) showing distribution of PARC groups {± S, ± Ca, Mn, ± Fe} highlighted yellow. Note localised concentrations of these pixels in grains 1–3. Grains 1 and 2 are classified as population ao (iron-ore sinter rich in Ca-ferrites), grain 3 as population aw (unassigned, low empty spectra; Table 3). b region of interest from the corresponding PARC phase map, showing microstructural detail of sinter grain (1) with an abundance of Mn-rich pixels (PARC groups {Mn}, {Mn, Fe}, {Ca, Mn, Fe}). Red outline in phase map marks perimeter of grain as defined during grain segmentation. Showing phase map for grain 1 only

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