Zinc Sulphate Monohydrate IP/USP/FCC/Tech Grade

PRODUCT NAME	FERROUS SULPHATE HEPTAHYDRATE -IP/BP
Chemical formula	FeSO₄.7H₂O
Molecular weight	278.02
Standard pack size	25 KG. PAPER BAG / 50 KG. HDPE BAG
Retest period	5 Years from the date of manufacture
Application

Sr. No.	TEST	SPECIFICATION	REFERENCE
1.	Description	Bluish green crystals or light green, crystalline powder; odorless. Efflorescent in air. On exposure to moist air, the crystals rapidly oxidize and become brown.	IP
2.	Solubility	Very Soluble in Boiling water, Freely Soluble in Water, Practically insoluble in ethanol (95%)	IP
3.	Identification	Gives reaction A of ferrous salts and reaction of sulphate	IP
4.	pH	Between 3.0 to 4.0 Determined in 5% w/v Solution	IP
5.	Clarity of solution	The solution is not more opalescent than opalescence standard OS2	IP
6.	Arsenic	Not more than 2 ppm	IP
7.	Copper	Not more than 50 ppm.	IP
8.	Lead	Not more than 50 ppm.	IP
9.	Zinc	Not more than 500 ppm	IP
10	Managanese	Not more than 0.1%.	IP
11.	Chloride	Not more than 250 ppm	IP
12.	Assay	NLT 98.0% & NMT 105.0%	IP

Sr. No.	TEST	SPECIFICATION	REFERENCE
1.	Description	Light green, crystalline powder or bluish green crystal, efflorescent in air.	BP
2.	Solubility	Freely soluble in water , very soluble in boiling water, practically insoluble in ethanol (96%).It is oxidised in moist air becoming brown.	BP
3.	Identification	(A) It gives reaction of sulphates. (B) It gives reaction (a) of iron (C)It complies with the limits of the assay	BP
5.	pH	Between 3.0-4.0	BP
4.	Chlorides	Maximum 200 ppm	BP
5.	Chromium	Maximum 50 ppm	BP
6.	Copper	Maximum 50 ppm	BP
7.	Ferric ion	Maximum 0.3%.	BP
8	Manganese	Maximum 0.1%.	BP
9	Nickel	Maximum 50 ppm	BP
10	Zinc	Maximum 50 ppm.	BP
11	Assay	NLT 98.0% & NMT 105.0%.	BP