| Product name |
Polyaluminium chloride |
 |
| Appearance |
Colorless or canary or buff transparent or semitransparent liquid; the solid is white or canary or buff powder |
| Quality index |
| Index |
Index |
| I |
II |
| Liquid |
Solid |
Liquid |
Solid |
| Premium grades |
First-class |
Premium grades |
First-class |
| Aluminum oxide(Al2O3), % ≥ |
10.0 |
10.0 |
30.0 |
28.0 |
10.0 |
27.0 |
| Basicity , % |
40~85 |
40~85 |
40~90 |
40~90 |
40~90 |
40~90 |
| Density(20℃), (g/cm3) ≥ |
1.15 |
1.15 |
－ |
－ |
1.15 |
－ |
| Water-insoluble
% ≤ |
0.1 |
0.3 |
0.3 |
1.0 |
0.5 |
1.5 |
| pH(1% water solution) |
3.5~5.0 |
3.5~5.0 |
3.5~5.0 |
3.5~5.0 |
3.5~5.0 |
3.5~5.0 |
| Ammoniacal nitrogen(N), % ≤ |
0.01 |
0.01 |
| Arsenic(As), % ≤ |
0.0001 |
0.0002 |
| Plumbum (Pb ), % ≤ |
0.0005 |
0.001 |
| Cadmium(Cd), % ≤ |
0.0001 |
0.0002 |
| Mercury(Hg), % ≤ |
0.00001 |
0.00001 |
| Hexaalent chromium (Cr+6), % ≤ |
0.0005 |
0.0005 |
Notice: the impurity content of ammoniacal nitrogen, arsenic, plumbum, cadmium, mercury and hexaalent chromium are all counted as 10.0%Al2O3. |
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