Detail Specification
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Item
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MgSO4∙7H2O
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Appearance
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White
crystals
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Purity ≥ %
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99.5
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MgSO4≥ %
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48.59
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MgO≥ %
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16.27
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Mg≥ %
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9.81
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PH
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5-9
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Fe ≤ %
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0.0015
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Cl ≤ %
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0.014
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Pb ≤ %
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0.001
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As ≤ %
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0.0002
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Insoluble Matter in Water ≤ %
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0.01
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Magnesium sulfate heptahydrate (molecular formula MgSO4.7H20), also known as bitter sulfur, bitter salt, Epsom salt, Epsom salt, is a white or colorless needle-shaped or oblique columnar crystal, odorless, cool and slightly bitter, molecular weight: 246.47, specific gravity 1.68, easily soluble in water, slightly soluble in ethanol or glycerol, soluble in its crystal water at 67.5 ℃. Decomposed by heat, 70/80 ℃ is to lose four molecules of crystal water. About 200 ℃ loses all crystal water to become anhydrous. It is easy to weather into powder in the air (dry) and gradually loses crystal water when heated to become anhydrous magnesium sulfate. This product does not contain any toxic substances. Because magnesium sulfate heptahydrate is not easy to decompose, it is easier to weigh than anhydrous magnesium sulfate, which is convenient for quantitative control in industry.
Product Details of Magnesium Sulfate Heptahydrate
Selling Points
Yingkou Maomei Agricultural Technology Co., Ltd., relying on high-quality mineral resources, produces magnesium sulfate products with advanced technology and the following characteristics:
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✽No impurities
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✽High content
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✽Strong effectiveness
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✽High solubility
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✽Wide adaptability
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✽Stable performance
Products are exported to the United States, Russia, Indonesia, Canada, Spain, Malaysia, Bangladesh, and other countries, and also cover all provinces, cities, and regions across the country.
For more service advantages of Yingkou Maomei Agricultural Technology, please see Why choose us? and Factory Photos.
Magnesium Sulfate Heptahydrate Application
1. Agricultural application: Magnesium is the core element of chlorophyll, which can strengthen the reduction process of plants, improve resistance, promote enzyme activation, make compacted soil loose and powerful, promote root development, fully absorb nutrients, and make plants more luxuriant. Sulfur is the main component of protein and enzymes in plants, promotes root growth, enhances metabolism and oxidation-reduction in plants, and thus promotes vigorous growth of crops and increases yields. Therefore, magnesium sulfate is an ideal raw material for making compound fertilizers. It can be mixed with nitrogen, phosphorus, and potassium into compound fertilizers or mixed fertilizers according to different needs, and can also be mixed with one or more raw materials into various fertilizers and photosynthetic fertilizers. After field actual comparison experiments on nine crops such as rubber trees, fruit trees, tobacco leaves, tea, vegetables, potatoes, etc., magnesium-containing compound fertilizers can make crops grow 15-20% more than compound fertilizers without magnesium.
2. Industrial application: The raw materials used to make zinc barium powder and other zinc salts are also important auxiliary materials for viscose fibers and vinylon fibers. They are also used as wood and leather agents, bone glue clarifiers and protective agents, and for electroplating flotation ore, etc.
3. Food application: In the food industry, magnesium sulfate can be used as lactic acid monosodium glutamate, etc.
4. Feed application: In feed, magnesium sulfate is a major additive.
5. Printing and dyeing application: In printing and dyeing, magnesium sulfate can be used as a dye weighting agent and mordant on fabrics.
6. In industrial wastewater treatment: Industrial production produces a lot of wastewater, and magnesium sulfate can coagulate and settle wastewater.
Packaging and Storage
1. Protect from rain and sunlight, store in a ventilated and dry place, and do not transport or store together with toxic and hazardous substances.
2. Each bag is 25 kg, and we can also provide packaging as small as 1 kg or as large as ton bags according to customer requirements.
3. Plastic woven bags, lined with plastic inner bags. We provide all available packaging such as paper plastic bags/kraft paper bags/PE bags.
4. We provide a variety of transportation methods: road transportation, railway transportation, air transportation, container transportation, and ocean transportation.
5. Our company's marks can provide OEM or neutral marks.
FAQ
1.Are your products in stock?
Most of our products are in stock and can meet your urgent needs. Please contact our sales team for specific stock status, and they will provide detailed information based on your order volume and needs.
2.Can we sign a long-term supply contract?
Yes, we welcome to sign a long-term supply contract with you. Through long-term cooperation, you can enjoy more stable supply, more favorable prices and better services. Please contact our sales team to discuss the specific contract terms and cooperation methods.
Product Knowledge: Advantages of magnesium sulfate in water treatment
Magnesium sulfate has significant advantages in water treatment, mainly reflected in its high efficiency, multifunctionality and environmental protection properties:
1. Efficiently remove heavy metal ions
Heavy metal pollution is a major problem in water treatment. Heavy metal ions such as lead, cadmium, copper, etc. can cause serious harm to human health and the environment. The magnesium ions (Mg²⁺) generated after magnesium sulfate is dissolved can form insoluble precipitates with heavy metal ions in the water. For example, magnesium sulfate can react with lead ions (Pb²⁺) in water to form lead sulfate (PbSO₄) precipitate, thereby removing lead from the water. Studies have shown that magnesium sulfate can reduce the concentration of lead ions from 50 mg/L to less than 0.1 mg/L when treating lead-containing wastewater, with a removal efficiency as high as 99.8%.
2. Improve water hardness
Excessive water hardness will lead to the formation of scale, affecting the quality of the water and the life of the equipment. The magnesium ions in magnesium sulfate can react with calcium carbonate (CaCO₃) in the water to form less soluble calcium sulfate (CaSO₄), thereby reducing the hardness of the water. In some industrial water treatment systems, by adding magnesium sulfate, the hardness of hard water can be reduced from 300 ppm (mg/L) to less than 100 ppm, significantly reducing the generation of scale and extending the service life of the equipment.
3. Promote sludge dehydration
In the sewage treatment process, sludge dewatering is a key step. Magnesium sulfate can enhance the cohesion of sludge particles, making them easier to settle and dewater. Magnesium ions combine with organic matter in the sludge to form larger flocs, which is beneficial to mechanical dehydration. In the sludge treatment experiment, after adding magnesium sulfate, the moisture content of the sludge could be reduced from 80% to about 65%, and the dehydration efficiency increased by 18.75%.
4. Improve the biodegradability of wastewater
The magnesium element in magnesium sulfate is an important nutrient for the growth of microorganisms. Magnesium is involved in the activation of many enzymes. Magnesium sulfate provides necessary magnesium ions for microorganisms in wastewater and enhances the activity of microorganisms. In biological treatment experiments, adding magnesium sulfate can reduce the chemical oxygen demand (COD) in wastewater from 500 mg/L to less than 50 mg/L, and the removal efficiency reaches 90%.
5. Green and environmentally friendly features
As a water treatment agent, magnesium sulfate is green and environmentally friendly and harmless to the environment. Magnesium sulfate itself is non-toxic and will not cause secondary pollution to water bodies and the ecological environment. Magnesium sulfate can be completely degraded in water, and the by-products generated are environmentally friendly and will not cause harmful accumulation.
