一、化學名：硫酸鎂
二、分子式：七水：MgSO4·7H2O；干燥品：MgSO4·nH2O
三、分子量：246.47(七水）
四、CAS：七水合物：10034-99-8；干燥品：15244-36-7(FCC)
五、性狀：七水物結晶為無色柱狀或針狀晶體，干燥品為白色結晶性粉末或粉末。無臭，均有咸味和苦味。易溶于水（119.8%，20℃），緩慢溶于甘油，微溶于乙醇，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，外套復合塑料編織袋包裝，每袋凈重25kg。
八、貯存與運輸：本品應貯存在干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），w/% ≥ |
Content(MgSO4), w/% ≥ |
99.0 |
99.5 |
|
|
重金屬（以Pb計)，mg/kg ≤ |
Heavy Metal(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(As 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), ppm |
40.0-52.0 |
40.0-52.0 |
|
干燥品 |
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: Heptahydrate：10034-99-8 ; Anhydrous：15244-36-7(FCC)
5、Character: Heptahydrate is colorless prismatic needle-shaped crystal. Anhydrous is white crystalline powder powder. It’s odorless, tastes bitter salty. It is freely soluble in water (119.8%, 20℃) glycerin，slightly soluble in ethanol. The aqueous solution is neutral.
6、Usage: In food industry, it is used as nutritional fortifier (Magnesium fortifier), solidification, flavagent，process aid brew additive. It is used as nutritional source to improve ferment the taste of synthesizes saka（0.002%）. It also could modify water hardness.
7、Packing: It is packed with polyethylene bag as inner layer, a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage Transport: It should be stored in a dry ventilative warehouse, kept away from heat moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
