| 2 | Characteristic | Requirements | Observations |
| 1) | Bulk density | | 0.68 |
| 2) | Retained on 150 micron percent by weight max | 0.1 | 0.03 |
| 3) | Retained on 90 microns percent by weight max. | 2 | 0.82 |
| 4) | Loss on ignition percent by weight max. | 7 | 1.05 ml |
| 5) | pH of aqueous suspension | 9.5 | 9.12 |
| 6) | Matter soluble in water percent by weight max. | 0.2 | 0.12 |
| 7) | Carbonates | To pass the test | Test passes |
| 8) | Water soluble iron % by weight max | To pass the test | Test passes |
| 9) | Acid soluble iron (as Fe203) percent by weight max | 0.75 | 0.42 |
| 10) | Heavy metals (as pb) in parts per millions max. | 20.0 complies. | Less than 20ppm |
| 11) | Arsenic (as AS2 03) in parts per million max | 2.0 complies. | Less than 2 ppm |
| 12) | Magnesium (as Mgo) % by weight min. | 20 | 14.52% |
| 13) | Acid soluble matter % by mass max | 6 | 4.91 |
| 14) | Brightness | 88.00% | Test passes |
| 15) | Mesh | 300 | Test passes |