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硫酸鎂 MAGNESIUM SULFATE
一、化學名：硫酸鎂
二、分子式：MgSO4·7H2O, 干燥品，MgSO4·nH2O
三、分子量：246.47(七水）
四、CAS：10034-99-8（七水），7487-88-9（干燥品）
五、性狀：無色柱狀或針狀細晶體，呈清凉咸苦味，無臭，密度為2.65g/cm3。在48℃以下的潮濕空氣中穩定，在溫熱空氣中易風化。易溶于水（119.8%，20℃）和甘油，水溶液呈中性，微溶于乙醇。
六、用途：營養增補劑、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，外套塑料編織袋，每袋凈重25千克。
八、貯存與運輸：應貯存在干燥、通風、清潔的庫房中，防止雨淋、受潮，應與有毒物品隔離堆放。
質量指標 | Specification | GB29207-2012 | |
含量(MgSO4)(灼燒干基）, w/% ≥ | Content( As MgSO4 )（After Ignition) | 99.0 | |
重金屬（以Pb計)，mg/kg ≤ | Heavy Metals(As Pb) | 10 | |
鉛 (Pb)，mg/kg ≤ | Lead | 2 | |
硒 (Se)，mg/kg ≤ | Selenium | 30 | |
pH 值(50g/L 溶液） | pH Value（50g/L solution) | 5.5-7.5 | |
氯化物（以Cl計），w/% ≤ | Chloride | 0.03 | |
砷 (As)，mg/kg ≤ | Arsenic | 3 | |
鐵 (Fe)，mg/kg ≤ | Iron | 20 | |
灼燒減量w% | 七水合物 | Loss on Ignition, heptahydrate | 40.0-52.0 |
干燥品 | Loss on Ignition, heptahydrate, dry | 22.0-32.0 | |
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: It’s colorless prismatic needle-shaped crystal. It’s odorless. It tastes cool, salty bitter. Relative density is 2.65. It’s steady in damp air under 48℃. When it is in warm hot air, it is easily effloresce. It is easily soluble in water (119.8%, 20℃) glycerine，slightly soluble in ethanol. The aqueous solution is neutral.
6、Usage: In food industry, it is used as nutritional supplement, solidification, the flavor increase，process helper，brew additive. It is used as nutritional supplement to improve ferment in brew the improvement of the synthesizes drink taste（0.002%）. It also can adjust the aqueous degree of hardness.
7、Packing: It is packed with polyethylene bag as inner, a composite paper bag as the outer layer. The net weight of each bag is 25kg.
8、Storage Transport: It should be stored in a dry, ventilating cleaning warehouse, kept away moisture hot. Furthermore, it should be stored separately poisonous.
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