Test |
Specification...BP |
Characters |
White or almost white, crystalline powder or colorless crystals |
Identification
Test (A)
Test (B) |
(a) Gives reaction of sulfates
(b) Gives the reaction of potassium |
Solubility |
Soluble in water, practically insoluble in ethanol. |
Appearance of solution |
Solution S is clear and colorless |
Acidity or alkalinity |
Specified Test. |
Chlorides |
Not more than 40ppm |
Calcium |
Not more than 200ppm |
Iron |
Not more than 10ppm |
Magnesium |
Not more than 20ppm |
Sodium |
Not more than 0.10% |
Loss on drying |
Not more than 1.0% |
Assay |
Not less than 98.5% and not more than 101.0% of K2SO4 (dried substances) |
Test |
Specification...FCC |
Appearance |
It occurs as colorless or white crystals or as
a crystalline powder. |
Identification
Test A |
- It gives positive test for potassium
|
Solubility |
One-gram dissolves in about 8.5 mL of water. It is insoluble in alcohol |
pH |
5.5 to 8.5 |
Lead |
Not more than 2 mg/kg |
Selenium |
Not more than 5 mg/kg |
Assay |
Not less than 99.0% and not more than 100.5% of
K2SO4 |
Test |
Specification...ACS |
Characters |
White or almost white, crystalline powder or colorless crystals |
pH of 5% solution |
5.5-8.5 at 25˚C |
Insoluble matter |
Not more than 0.01% |
Chloride(Cl) |
Not more than 0.001% |
Nitrogen compounds(as N) |
Not more than 5ppm |
Heavy metals(as Pb) |
Not more than 5ppm |
Iron(Fe) |
Not more than 5ppm |
Calcium(Ca) |
Not more than 0.01% |
Magnesium(Mg) |
Not more than 0.005% |
Sodium(Na) |
Not more than 0.02% |
Assay |
Not less than 99.0% of K2SO4 |
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.
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