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magnesium sulfate price, epsom salts, magnesium sulfate monohydrate

Magnesium sulfate (or magnesium sulphate) is an inorganic salt (chemical compound) containing magnesium, sulfur and oxygen, with the formula MgSO4. It is often encountered as the heptahydrate sulfate mineral epsomite (MgSO4·7H2O), commonly called Epsom salt, taking its name from a bitter saline spring in Epsom in Surrey, England, where the salt was produced from the springs that arise where the porous chalk of the North Downs meets non-porous London clay. The monohydrate, MgSO4·H2O is found as the mineral kieserite. The overall global annual usage in the mid-1970s of the monohydrate was 2.3 million tons, of which the majority was used in agriculture

MAGNESIUM SULFATE SPECIFICATION:

No.	Test Item	Specification	Analysis Results
1	Assay	99% min	99.28%
2	MgSO₄	48.59%min	48.60%
3	MgO	16.20%min	16.31%
4	Mg	9.80%min	9.82%
5	Fe(Iron)	0.01%max	0.005%
6	CI(Chlorid)	0.1%max	0.06%
7	Pb(Heavy metal)	0.001%max	0.001%
8	As(Arsenic)	0.0002%max	0.00019%
9	Appearance	White crystal	conform