CAS No : 10034-99-8 (MgSO4·7H2O)
Molecular Formula: MgSO4·7H2O
Relative Molecular Mass:246.47
Product performance
Magnesium sulfate heptahydrate, also known as sulfur bitter, bitter salt, Epsom salt, Epsom salt, is a magnesium-containing compound. In the air (drying), it is easy to be weathered into powder, and when heated, the crystal water is gradually removed to become anhydrous magnesium sulfate.
Quality index GB/T26568-2011
項 目 project | 七水硫酸鎂Magnesium sulfate heptahydrate
|
(1) 外觀Exterior | 無色或白色結晶,無結塊Colorless or white crystals, no lumps |
(2) 水溶鎂(以Mg計)的質(zhì)量分(fēn)數Mass fraction of water-soluble magnesium (as Mg) / % ≥ | 9.5 |
(3) 水溶硫(以S計) 的質(zhì)量分(fēn)數 Mass fraction of water-soluble sulfur (calculated as S)/ % ≥ | 12.5 |
(4) 氯離子(以Cl-計)的質(zhì)量分(fēn)數Mass fraction of chloride ions (as Cl-)/ % ≤ | 2.5 |
(5) 遊離水的質(zhì)量分(fēn)數Mass fraction of free water */% ≤ | 6.0 |
(6)水不溶物(wù)的質(zhì)量分(fēn)數The mass fraction of water insoluble matter/ % ≤ | 0.5 |
(7) 粒度granularity(2.00mm—4.00mm)/ % ≥ | — |
(8) PH值 | 5.0~9.0 |
注: 指标中(zhōng)的“—”表示該類别産(chǎn)品的技(jì )術要求中(zhōng)此項不作(zuò)要求。Note: The "—" in the index indicates that this item is not required in the technical requirements of this category of products. | |
* 遊離水的質(zhì)量分(fēn)數以出廠檢驗為(wèi)準 The mass fraction of free water is subject to the factory inspection |
Scope of application
In agriculture and horticulture, magnesium sulfate is used in soils that are deficient in magnesium (magnesium is one of the essential nutrients for crop growth and the core element of chlorophyll, which plays a very important role in the photosynthesis of plants, equivalent to vegetable greenhouses). The "artificial sun" in ) is usually used for potted plants or magnesium-deficient crops, such as tomatoes, potatoes, roses, etc. The advantage over other fertilizers is higher solubility.
Packaging and storage
Magnesium sulfate is packed in 25kg or 50kg bags, the inner layer is plastic film, and the outer layer is woven bag or determined according to user needs. The product is stored in a dry, ventilated and cool place indoors.