No | Characteristic | Specifications | ||
1 | Appearance | white to off-white lump or powder | ||
2 | Aluminium (As Al2O3) | % | 17 | Min. |
3 | Iron Compound | % | 0.03 | Max. |
4 | Insolubles In Water | % | 0.3 | Max. |
5 | pH | 0 | 2.8 ~ 3.8 (5% Sol.) | Max. |
6 | Heavy Metal (as Pb | Ppm | 10 | Max. |
7 | Arsenic (As) | Ppm | 3 | Max. |