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Specifications
Magnesium sulfate
1. Assay: 99.5%
2. Apperance: White Crystal
3. Industrial and agriculral use
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.
Index |
superior grade |
Grade A |
Grade B |
Main content ( MgSO4@7H2O)% |
≥ 99.5 |
≥ 98.0 |
≥ 95.0 |
Fe % |
≤ 0.005 |
≤ 0.005 |
≤ 0.01 |
chloride (as Cl)% |
≤ 0.30 |
≤ 0.30 |
≤ 0.50 |
water insoluble |
≤ 0.10 |
≤ 0.10 |
≤ 0.15 |
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