| Test | Specification…IP |
| Appearance | It occurs as a black substance, varying in particle size from coarse granules to a fine powder. |
| Solubility | It is insoluble in water and in organic solvents. |
| Acidity or alkalinity | Passes test |
| Acid insoluble substances | The residue weighs not more than 30mg |
| Ethanol-soluble substances | Maximum 8mg |
| Alkali soluble colored matter | Passes test |
| Chlorides | Maximum 0.14% |
| Sulphates | Maximum 450ppm |
| Sulphide | Passes test |
| Uncarbonized constituents | Passes test |
| Copper | Maximum 25ppm |
| Lead | Maximum 10ppm |
| Zinc | Maximum 25ppm |
| Sulphated ash | Maximum 5% |
| Loss on drying | Maximum 15% |
| Adsorbing power | Not less than 40% |
| Test | Specification…USP |
| Appearance | A black light powder, free from grittiness |
| Solubility | Practically insoluble in all usual solvents |
| Microbial enumeration tests | Escherichia Coli and Salmonella are absent |
| Loss on drying | Not more than 15% |
| Residue on ignition | Not more than 4% |
| Acid soluble substances | Maximum 3.5% |
| Chloride | Maximum 0.2% |
| Sulphate | Maximum 0.2% |
| Sulphide | Passes test |
| Cyanogen compounds | Passes test |
| Heavy metals | Maximum 0.005% |
| Uncarbonized constituents | Passes test |
| Organic volatile impurities | Passes test |
| Residual solvents | Passes test |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.