科信化工-食品級碳酸鎂-營養(yǎng)強化劑-碳酸鎂廠家批發(fā)
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碳酸鎂 MAGNESIUM CARBONATE
一、化學名:碳酸鎂,堿式碳酸鎂
二、分子式:xMgCO3·yMg(OH) 2·zH2O
三、分子量:----
四、CAS: 39409-82-0
五、性狀:輕質碳酸鎂為白色易碎塊狀或松散的白色粉末。無臭,相對密度2.2,熔點350℃。在空氣中穩(wěn)定,加熱至700℃易分解成二氧化碳和氧化鎂,幾乎不溶于水,但在水中引起輕微的堿性反應。不溶于乙醇,可被烯酸溶解并發(fā)泡。
六、用途:營養(yǎng)強化劑、面粉處理劑、抗結劑、穩(wěn)定膨松劑??捎糜谛←湻?,也可用于膠姆糖配料。
七、包裝:內襯聚乙烯塑料袋,外套塑料編織袋,每袋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 | GB 25587-2010 | FCC VII |
含量(MgO) ,w/% | Content (MgO), w/% | 40.0-44.0 | 40.0-43.5 |
酸不容物,w/% ≤ | Acid-insoluble Substances ,w/% ≤ | 0.05 | 0.05 |
重金屬(以Pb計),w/% ≤ | Heavy Metals(As Pb),w/% ≤ | 0.001 | ———— |
氧化鈣,w/% ≤ | CaO, w/% ≤ | 0.6 | 0.6 |
可溶性鹽,w/% ≤ | Soluble Salts, w/% ≤ | 1.0 | 1.0 |
鉛(Pb),mg/kg ≤ | Pb, mg/kg ≤ | ———— | 2.0 |
砷(As),mg/kg ≤ | Arsenic(As),mg/kg ≤ | 3 | ———— |
1、Chemical Name: Magnesium Carbonate
2、Molecular Formula: xMgCO3·yMg(OH) 2·zH2O
3、Molecular Weight: ---
4、CAS: 39409-82-0
5、Character: Light one is white, friable masses or bulky, white powder, odorless. Relative density is 2.2. Melting point is 350℃. It’s stable in air. When heated to 700℃, it decomposes to carbon dioxide and magnesium oxide. It’s almost insoluble in water, but it imparts a slight alkaline reaction. It is insoluble in ethanol, but dissolves, with effervescence, in dilute acids.
6、Usage: It’s used as nutrient, flour treatment agent, anti-caking agent and leavening agent. It could be used in wheat powder and gum ingredients.
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.