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Table 2 Elemental analysis of deposited particles and aerosols within the display case
| Origin | Elemental composition | Aerosol | Deposit | ||||
|---|---|---|---|---|---|---|---|
| Number | % | Mean size (µm) | Number | % | Mean size (µm) | ||
| Anthropogenic | 31 | 33.0% | 7 | 12.3% | |||
| Scrap metal fragments | O, Fe, (Al, Si) | 2 | 2.1% | 2.2 | 5 | 8.8% | 1.8 |
| Na-rich | O, Na | 2 | 2.1% | 2.2 | 2 | 3.5% | 2.2 |
| Soot | C, (S, K) | 20 | 21.3% | 0.8 | |||
| Mascagnite | N, S, O | 7 | 7.4% | 0.2 | |||
| Marine | 25 | 26.6% | 3 | 5.3% | |||
| Gypsum | Ca, S, O | 1 | 1.1% | 1.3 | 2 | 3.5% | 4.6 |
| Halite + traces | Na, Cl, (Mg, Si) | 23 | 24.5% | 0.8 | 1 | 1.8% | 2.2 |
| Mix: halite, gypsum, sylvite | Na, Cl, Ca, K, O, S | 1 | 1.1% | 1.8 | |||
| Terrigeneous | 13 | 13.8% | 33 | 57.9% | |||
| Clay | Al, Si, O, (K, Mg, Fe, S, Na) | 9 | 9.6% | 1.3 | 9 | 15.8% | 5.5 |
| Calcite | Ca, C, O | 1 | 1.1% | 0.6 | 3 | 5.3% | 2.7 |
| Silicate | Si, O, (Na, Ca, K) | 2 | 2.1% | 0.7 | 19 | 33.3% | 4.6 |
| Mix: calcite + clay | Ca, O, C, Al, Si | 2 | 3.5% | 2.6 | |||
| Mix: calcite + silicate | Ca, O, C, Si | 1 | 1.1% | 2 | |||
| Mixtures | 3 | 3.2% | 12 | 21.1% | |||
| Marine–organic | C, Na, Cl | 1 | 1.1% | 0.5 | |||
| Marine–terrigeneous | C, O, Na, Cl, Ca, Al, Si, K, S, Mg | 1 | 1.1% | 2.5 | 6 | 10.5% | 4.3 |
| Marine–terrigeneous–organic | C, Na, Cl, Si, O, Mg, Na, Al, (S, Ca) | 1 | 1.1% | 3.35 | |||
| Marine–anthropogenic | O, Al, Fe, (Na, Cl, Ca, Mg, Si) | 2 | 3.5% | 11.3 | |||
| Terrigeneous–organic | C, Al, Si, O, P | 3 | 5.3% | 5.5 | |||
| Terrigeneous–anthropogenic | C, O, Ca, (S) | 1 | 1.8% | 6.0 | |||
| Undetermined organic compounds | 22 | 23.4% | 2 | 3.5% | |||
| C-rich | C, O, (K, S, Na) | 22 | 23.4% | 0.35 | 2 | 3.5% | 9.4 |
| Total | 94 | 100% | 57 | 100% | |||
