Tests |
Limits |
Method Ref. |
| Appearance |
Light cream coloured fine powder |
Visual |
| Loss on drying by Silica Gel under vacuum |
0.2 % w/w Max. |
NQA 522 |
| Gas Evolution at STP |
200 ml/gm Min. |
NQA 521 |
| Decomposition Point by oil bath |
195ºC to 200ºC |
NQA 517 |
| pH of 10% aqueous suspension |
8.0 to 9.0. |
NQA 511 |
| Sieve Test by Alpine air jet particle size analyzer |
Min. 98% should pass through
400 mesh sieve (BSS). |
NQA 516 |
