 |
| CHEMICAL
AND PHYSICAL PROPERTIES |
Description
|
:
|
A white, fine powder, odourless, tasteless, slightly hygroscopic |
| Solubility |
: |
Insoluble in water, Almost completely soluble in
dilute hydrochloric acid |
| Magnesium Oxide |
: |
15% (14.0% to 18.0%) |
| Aluminium Dioxide |
: |
22.5% (20.0% to 25.0%) |
| Silicon Dioxide |
: |
53% (48.0 % to 58 %) |
Total contents of
(MgO, Al2O3 ,SiO2 ) |
:
|
90% (not less than 88%)
|
Loss on Ignition
|
:
|
24.5% (20.0% to 30.0%) |
| Heavy Metals |
: |
Less than 20 ppm |
| Arsenic |
: |
Less than 8 ppm |
| Chloride |
: |
Less than 450 ppm |
| Sulphate |
: |
Less than 0.4 % |
| Acid consuming capacity |
: |
183.0 ml/gm of 0.1 N HCl |
| Sieve Test |
: |
Passes Test |
|
| |
|
|
