|
Guaranteed specifications: | |||
|
Appearance |
Off-White Powder |
Light Yellow Powder |
Yellow Powder |
|
Al2O3 |
30-31% |
30-31% |
28-31% |
|
Basicity |
40-50% |
50-80% |
60-95% |
|
Water insoluble materials |
0.3% max |
0.3% max |
1.0% max |
|
PH value |
3.5-5.0 |
3.5-5.0 |
3.5-5.0 |
|
Pb |
30ppm max |
30ppm max |
30ppm max |
|
As |
6ppm max |
6ppm max |
6ppm max |
|
Cd |
6ppm max |
6ppm max |
6ppm max |
|
Cr+6 |
15ppm max |
15ppm max |
15ppm max |
|
Hg |
0.3ppm max |
0.3ppm max |
0.3ppm max |
