Table 1
Elemental composition (%) of COPR in this study and literature data for materials from other sites (major elements (Si, Al, Fe, Ca, Mg, Na, K), minor elements (P, S, Cr), loss of ignition (LOI), and water content %H (in percent)).
Composition élémentaire (%) des charrées de chrome dans cette étude et comparaison avec des données de la littérature.
| This study and Lehoux et al. (2017) | Matern et al. (2016) | Földi et al. (2013) | Wazne et al. (2007) | Hillier et al. (2003) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T-RX | T-RX2 | T-RX3 | T-RX4 | PZ2 | Rania | Chiwali | Kanpur #2502 | Hudson County, New Jersey | Glasgow | |||
| Site 2 | Site 4 | Site 7 | ||||||||||
| LOI | 21.4 | 22.9 | 18.1 | 23.5 | 15 | 20 | 13.2 | 16.4 | 19.1 | 16.2 | 16.8 | |
| Si | 13.4 | 7.5 | 17.8 | 7.5 | 6.1 | 3.9 | 4.91 | 2.6 | 1.98 | 4.5 | 2.3 | 2.4 |
| Ca | 10.7 | 12.7 | 8.9 | 12.6 | 16.3 | 22.5 | 22.7 | 23.2 | 23.9 | 18.1 | 16.2 | 22.9 |
| Fe | 6.9 | 8.2 | 5.2 | 8.1 | 14.7 | 7.32 | 8.38 | 7 | 11.8 | 8.3 | 10.1 | 12.7 |
| Mg | 5.7 | 8.6 | 3.6 | 8.7 | 3.4 | 4.73 | 6.04 | 5.8 | 6.1 | 12.6 | 15.3 | 7.1 |
| Al | 4.8 | 4.1 | 4.4 | 4.1 | 5 | 4.43 | 4.88 | 4.6 | 4.6 | 3.9 | 4.3 | 5.5 |
| Cr | 1.4 | 2.2 | 1.3 | 2.2 | 1.3 | 7.98 | 7.55 | 10.9 | 2.71 | 4 | 5.9 | 4.3 |
| P | 1 | 0.4 | 1.4 | 0.4 | 0.01 | 0.01 | 0.04 | |||||
| S | 0.9 | 0.6 | 0.7 | 0.7 | 0.03 | 0.04 | 0.02 | 0.34 | 0.44 | 0.25 | 0.25 | |
| Na | 0.7 | 1.4 | 1.3 | 1.5 | 0.437 | 0.68 | 0.36 | 0.37 | 0.2 | 0.14 | 0.11 | |
| K | 0.6 | 0.4 | 0.9 | 0.4 | 0.067 | 0.1 | 0.02 | 0.03 | < 0.05 | < 0.05 | < 0.05 | |
| %H | 20.2 | 38.2 | 34.5 | 34.5 | 38 | |||||||
| pH | 11.8 | 11.5 | 10.2 | 11.9 | 11.6 | 12.4 | 12.4 | 12.6 | ||||
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