Appearance | Absolutely crystalline , colorless |
Packing | Hdpe woven bag |
Purity | 99% |
Clarity of aqs. Soln | Absolutely clear without any contamination |
Water insoluble’s | 0. 001% max. |
Ph 10% aqs. Soln. | To 8. 5 |
Heavy metals as pb (ii) as fe (iii) as as (iii) as mn (ii) as zn (ii) as cal (ii) | 0. 001% max. 0. 001 % max. 0. 0003% max. 0. 0001% max 0. 001% max 0. 15% max |
Free acid h2so4 | 0. 01% max. |
Ignition loss | 5. 1 % to 52% |