monohydrate and heptahydrate magnesium sulphate/sulfate MgSO4 price
MAGNESIUM SULPHATE HEPTAHYDRATE
Test ItemStandard Result
Appearance White Crystal Complies
Main Content≥% 99.5 99.74
MgO≥% 16.2 16.23
S≥% 12.9 13
PH value 5.7 6
Iron(Fe) ≤% 0.001 0.0006
Heavy metal(Pb) ≤% 0.0008 0.0006
Arsenic(As) ≤% 0.0002 0.0001
Water insoluble≤% 0.001 0.0005
Particle size 0.1-3mm,80-200mesh
Magnesium Sulphate (or magnesium sulphate) is an inorganic salt 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. Magnesium sulfate, also named Bitter salt and samarium, molecular structure: MgSO4.7H2O , molecular weight: 246.48. Magnesium sulfate brand is white or colorless crystal, odorless, soluble in water and little soluble in ethanol, and takessulfuric acid and natural magnesium ore as its raw materials. In air , it is liable to airslake into powder , and will lose crystal water if heated. Not containing any toxic substance ,it can be used for medicine, fertilizer, leather, printing , pigment , porcelain, match , explosive, fireproof material and additives for magnesium salts and feedstuff.
CAS RN.: 7487-88-9;
EINECS: 231-298-2
The advantages of Magnesium Sulfate Heptahydrate MgSO4 (Agriculture Grade)
(1)Fully water-soluble
(2)Consists of 100% plant nutrients
(3)Efficient Mg and S nutrients for the light soil and acid soils, especially for the calcareous soils and soils with a high pH, which high calcium concentrations in the soil solution impede the magnesium availability.
(4)Granular fertilizer has excellent spreading properties due to the well-defined granulometry and the hardness of the granules. These qualities also make it equally well suited for bulk blending.
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