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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
|