Available Grade & Specification

Item	IP	BP	USP	FCC ( FOOD)
Assay	NLT 99.0% & NMT 104.0% of ZnSo4. 7H2O	99.0% to 104.0%	NLT 55.6% & NMT 61.0% of ZnSo4	NLT 99.0% & NMT 108.7% of ZnSo4. 7H2O
Identification	Positive	Positive	Positive	Positive
pH	Between 4.4 to 5.6	4.4 to 5.6		Acidic to 4 times
Arsenic	10 PPM Max		14 PPM Max
Iron	100 PPM Max	100 PPM Max	4PPM Max
Chloride	250 PPM Max	300 PPM Max
Acidity			Pass the test	Pass the test
Lead			0.002% Max	4 PPM Max
Alkalities & Alkaline Earth			0.9% Max	0.5% Max
Cadmium				2 PPM Max
Mercury				5PPM Max
Selenium				0.003% Max

Note: Looking for something specific ? Customisation is Available within the above grades. Please specify in the Enquire now page.