Table 4.
Concentrations of leachable elements from tiles sintered with Fe/Cr = 2.0 at 1150 °C and 30 min (mg/L).
| Leachable Elements | Cr | Cu | Ni | As | Zn | Pb | Cr(VI) |
|---|---|---|---|---|---|---|---|
| Ceramic tile samples | 2.35 | 0.45 | 0.14 | 0.082 | 1.59 | 0.19 | 0.024 |
| GB 5085.3-2007 | 15 | 100 | 5 | 5 | 100 | 5 | 5 |
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