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七水硫酸鎂

七水硫酸鎂

產品描述/ Product Description

一、化學名:硫酸鎂

二、分子式:七水:MgSO4·7H2O;幹燥品:MgSO4·nH2O

三、分子量:246.47(七水)

四、CAS:七水:10034-99-8;幹燥品:7487-88-9

五、性狀:七水物結晶為無色柱狀或針狀晶體,幹燥品為白色結晶性粉末或粉末。無臭,均有鹹味和苦味。易溶於水(119.8%,20℃),緩慢溶於甘油,微溶於乙醇,水溶液呈中性。

    六、用途:營養強化劑(鎂強化劑)、固化劑、增味劑、加工助劑。釀造用添加劑,補充釀造用水的鎂,作為發酵時的營養源,提高發酵能力,改善合成清酒的風味(0.002%),調整水的硬度。

七、包裝:內襯聚乙烯塑料袋,外套複合塑料編織袋包裝,每袋淨重25kg。

八、貯存與運輸:本品應貯存在幹燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。

質量指標 Specification GB29207-2012 FCC VII
含量(MgSO4,灼燒幹基),w/%   ≥ Content( As MgSO4,After Ignition ), w/% 99.0 99.5
重金屬(以Pb計),mg/kg       ≤ Heavy Metals(As Pb),mg/kg            ≤ 10 ———
鉛 (Pb),mg/kg               ≤ Lead(Pb),mg/kg                      ≤ 2 4
硒 (Se),mg/kg               ≤ Selenium(Se),mg/kg                  ≤ 30 30
pH(50g/L溶液,25℃) pH (50g/L,25℃) 5.5-7.5 ———
氯化物(以Cl計),w/%          ≤ Chloride(Cl),w/%                     ≤ 0.03 ———
砷 (As),mg/kg               ≤ Arsenic(As),mg/kg                   ≤ 3 ———
鐵 (Fe),mg/kg               ≤ Iron(Fe),mg/kg                     ≤ 20 ———
灼燒減量,w% 七水合物 Loss on Ignition (Heptahydrate), w% 40.0-52.0 40.0-52.0
幹燥品 Loss on Ignition(Dried),w% 22.0-32.0 22.0-28.0

1、Chemical Name: Magnesium Sulfate

2、Molecular Formula: MgSO4·7H2O,Dry:MgSO4·nH2O

3、Molecular Weight: 246.47(Heptahydrate)

4、CAS: 10034-99-8(Heptahydrate),7487-88-9(Anhydrous)

5、Character: Heptahydrate is colorless prismatic or needle-shaped crystal. Anhydrous is white crystalline powder or powder. It’s odorless, tastes bitter and salty. It is freely soluble in water (119.8%, 20℃) and glycerin,slightly soluble in ethanol. The aqueous solution is neutral.

6、Usage: In food industry, it is used as nutritional fortifier (Magnesium fortifier), solidification, flavor agent,process aid and brew additive. It is used as nutritional source to improve ferment and the taste of synthesizes saka(0.002%). It also could modify water hardness.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.

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