Technical Datas
|
Items
|
Standards
(Common Grade)
|
Standards
(FCC VII)
|
|
Content(MgSO4), w/% ≥
|
99
|
99.5
|
|
Heavy Metal(as Pb),mg/kg ≤
|
10
|
-
|
|
Lead(Pb),mg/kg ≤
|
2
|
4
|
|
Selenium(Se),mg/kg ≤
|
30
|
30
|
|
PH (50g/L,25℃)
|
5.5-7.5
|
-
|
|
Chloride(as Cl),w/% ≤
|
0.03
|
-
|
|
Arsenic(As),mg/kg ≤
|
3
|
-
|
|
Iron(Fe),mg/kg ≤
|
20
|
-
|
|
Loss on Ignition (Heptahydrate),w/%
|
40.0-52.0
|
40.0-52.0
|
|
Loss on Ignition(Dried),w/%
|
22.0-32.0
|
22.0-28.0
|
Main Applications and Uses
1. Agriculture
-Fertilizer Additive: Corrects magnesium deficiencies in crops; provides essential magnesium and sulfur nutrients for chlorophyll production and protein synthesis
-Foliar Application: Used as a source of magnesium in foliar feeding for rapid nutrient absorption
-Soil Health: Improves drought resistance and can increase crop yields (e.g., 7.94% increase in rice grain output)
-Market Growth: The agricultural market for magnesium sulfate heptahydrate was valued at $1.2 billion in 2023, projected to reach $2.1 billion by 2032
2. Pharmaceutical and Medical
-Osmotic Laxative: Commonly known as Epsom salt; used to relieve occasional constipation by drawing water into the intestines
-Anticonvulsant: Intravenous administration for treating pre-eclampsia and eclampsia in pregnant women
-Electrolyte Replenisher: Used to treat magnesium deficiency and maintain electrolyte balance
-External Use: Dissolved in baths for muscle relaxation and soothing soreness
3. Food and Beverage Industry
-Brewing Salt: Used in beer production to adjust water chemistry and enhance flavor
-Tofu Coagulant: Functions as a coagulant in tofu manufacturing
-Nutrient Supplement: FCC-grade material used as a nutrient and dietary supplement; meets Food Chemicals Codex requirements
-Processing Aid: Acts as a flavor enhancer and processing aid in various food applications