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Potassium Sulphate

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
  1. 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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