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- 供货总量：
- 发货期限：自买家付款之日起 3 天内发货
- 所在地：江苏 连云港市
一、化学名：硫酸镁
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：10034-99-8；干燥品：7487-88-9
五、性状：七水物结晶为无色柱状或针状晶体，干燥品为白色结晶性粉末或粉末。无臭，均有咸味和苦味。易溶于水（119.8%，20℃），缓慢溶于甘油，微溶于乙醇，水溶液呈中性。
六、用途：营养强化剂（镁强化剂）、固化剂、增味剂、加工助剂。酿造用添加剂，补充酿造用水的镁，作为发酵时的营养源，提高发酵能力,改善合成清酒的风味（0.002%）,调整水的硬度。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。
八、贮存与运输：本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
| 质量指标 | Specification | GB29207-2012 | FCC VII | |
| 含量（MgSO4，灼烧干基），w/% ≥ | Content( As MgSO4,After Ignition ), w/% ≥ | 99.0 | 99.5 | |
| 重金属（以Pb计)，mg/kg ≤ | Heavy metals(As Pb),mg/kg ≤ | 10 | ——— | |
| 铅 (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计），w/% ≤ | Chloride(Cl),w/% ≤ | 0.03 | ——— | |
| 砷 (As)，mg/kg ≤ | Arsenic(As),mg/kg ≤ | 3 | ——— | |
| 铁 (Fe)，mg/kg ≤ | Iron(Fe),mg/kg ≤ | 20 | ——— | |
| 灼烧减量，w% | 七水合物 | Loss on Ignition (Heptahydrate), w% | 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: 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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