|Characters||It occurs as White or almost white powder, or colorless crystals.|
|Identification Test A Test B Test C||(a) pH Test (b) The mixture is colorless and gives reaction of sulfates (c) Solution S gives reaction of potassium|
|Solubility||Freely soluble in water, slightly soluble in ethanol (96 per cent).|
|pH||Between 3.0 to 4.5|
|Thiosulfates||Not more than 0.15 ML.|
|Iron||Not more than 10 ppm|
|Selenium||Not more than 10 ppm|
|Zinc||Not more than 25 ppm|
|Assay||Not less than 95.0% to not more than 101.0 %|
|Characters||It occurs as a white or colorless, free flowing crystals, crystalline powder or granules, usually having an odor of sulfur dioxide.|
|Identification Test (A)||(a)A solution (1 in 20) responds to the test for potassium and for sulfite|
|Solubility||Soluble in water; insoluble in alcohol|
|Iron||Not more than 10ppm|
|Heavy metals||Not more than 10ppm|
|Residual solvents||Meets the requirements|
|Assay (as SO2)||Not less than 51.8% and not more than 57.6% of SO2|
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.
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.