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Magnesium Sulphate Heptahydrate |
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Items |
Standard |
Standard |
Low Fe-Standard |
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Purity |
≥98% |
≥99.5% |
≥99.5% |
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MgSO4 |
≥47.86% |
≥48.59% |
≥48.59% |
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MgO |
≥16% |
≥16.24% |
≥16.24% |
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Mg |
≥9.65% |
≥9.8% |
≥9.8% |
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S |
≥11.8% |
≥12% |
≥12% |
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Cl |
≤0.30% |
≤0.014% |
≤0.014% |
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Fe |
50ppm max |
15ppm max |
3ppm max |
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As |
-- |
2ppm max |
2ppm max |
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Cd |
-- |
2ppm max |
2ppm max |
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Pb |
-- |
6ppm max |
6ppm max |
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Insoluble in water |
≤0.10% |
≤0.010% |
≤0.010% |
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PH(5W/V%Sol) |
41767 |
41767 |
41767 |
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Size |
0.1-1mm |
0.1-0.5/ 1-3/ 2-4/ 4-7mm |
0.1-1mm |
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Appearance |
White crystal |
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Package |
25kg,50kg,1000kg, 1250kg,Container bag and OEM color bag |
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Magnesium Sulphate Heptahydrate is used in industry:
In printing and dyeing industry，it can be used as fabric dyeing agent, weighting agent, mordant, and the aggravating reagent of calico or silk, and filling up of wooden-cotton products. It can be used as a filler to enhance heat resistance in leather industry; used for fireproof material making. It can be used for desiccant and dehydrating agent in organic chemical industry. It can be used in industry wastewater treatment.
Magnesium Sulphate Heptahydrate is used in agriculture and gardening fertilizer:
It is applied to Magnesium deficient soil, soluble in the water, absorbed by the soil, to make it fertile. As a key component of chlorophyll molecule, it absorbs sunlight, utilizing the light energy for providing food nutrients for plants during photosynthesis, which can strengthen nutrition to increase the output and crop growth. Magnesium sulfate has higher solubility than other fertilizers.
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