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Magnesium Sulfate Tech. Grade
Molecular Formula: MgSO 4.7H 2 O.
Molecular weight: 246.48.
Characteristics:
--White exiguous acicular or oblique-pillar crystal. Smell-less, tast-bitter. Easily efflorescent at dry air.
--Speciific gravity is 1.68.
--Freely soluble in water. Solublein its own waterat 67.5oC. Slightly soluble in ethanol and glycerin.
--Dcomposing is heatedup. Lossing 4 crystal waterat 70-80oC. About at 200oC, lossing all of its crystal water becomes anhydrous compounds.
Use:
--Mainly used in tanning, pringting and dyeing, activator, papermaking, plastic, porcelain, pigment matchmaking, dynamite and fireproof materials making.
--Can used in pringting and dyeing delaine as the aggravating reagent of calico or silk, and as filling up of wooden-cotton products. Be used as Epsom salts at medicine.
Packing, Storage and Transportation:
Knitting bags with plastic liners, 25kg, 40kg, 50kg per bag.
Stored in dry and cool place. Protection from sunshine, rain, moisture.
Magnesium Sulphate 98% is Water Soluble Micronutrient Fertilizer. Releases magnesium quickly for fast green up. Where nitrogen level is to be controlled and magnesium is to supplied.
Component | Range | Typical |
Main content | 99.5% min | 99.5% |
MgSO4 | 48.59% min | 48.59% |
MgO | 16.24% min | 16.24% |
Mg | 9.8% min | 9.8% |
PH(5W/V%Sol) | 5-9 | 7 |
Ferric(Fe) | 0.002% max | 0.002% |
Chloride(CL) | 0.02% | 0.02% |
Heavy metal (Pb) | 0.001 %max | 0.001 % |
Arsenic(As) | 0.0002% max | 0.0002% |
Insoluble | 0.01%max | 0.01% |
Size (mm) | 0.1-1 0.2-3 1-4 | - |
Appearance | White small granular | White small granular |