| Description |
: |
White or almost white crystalline powder. |
| Identification |
: |
(A) Positive test for Magnesium. |
| |
|
(B) Positive test for Aluminium. |
| PH |
: |
9.3 to 9.4 ( 9.1 to 9.7) |
| Neutralising Capacity |
: |
18.69 ml 0.1 N (NMT 20.0 ml 0.1 M NaOH) |
| Chlorides |
: |
Passes EP test (NMT 0.1%) |
| Sulphates |
: |
Passes EP test (NMT 0.4%) |
| Sodium |
: |
Passes EP test (NMT 150 ppm) |
| Heavy Metals |
: |
Passes EP test (NMT 20 ppm) |
| Sulphated Ash |
: |
Passes EP test (NMT 0.1%) |
| Loss on ignition |
: |
45.60% (43% to 49%) |
| Aluminium Assay |
: |
16.42% (15% to 17% calculated as Al2O3) |
| Magnesium Assay |
: |
37.22% (36% to 40% calculated as MgO) |
| Carbonic Acid |
: |
14.00% (12.5% to 14.5% calculated as CO2) |
