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食品級碳酸鉀生產(chǎn)廠家-科信
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碳酸鉀 POTASSIU M CARBONATE
一、化學(xué)名:碳酸鉀
二、分子式:K2CO3
三、分子量:138.21
四、CAS:584-08-7
五、性狀:有無水物或含1.5分子的結(jié)晶。無水物為白色粒狀粉末,結(jié)晶為白色半透明小晶體顆粒。無臭,有強堿味。在濕空氣中易吸濕潮解。易溶于水,水溶液呈堿性。不溶于乙醇及乙醚。
六、用途:酸度調(diào)節(jié)劑、營養(yǎng)增補劑、加工助劑、香料。在制造面條、餛鈍時適量加入,可賦予產(chǎn)品特有的風(fēng)味、色澤和韌性(常與碳酸鈉等合用)。亦用于礦物質(zhì)飲料。
七、包裝:內(nèi)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(yīng)貯存在干燥通風(fēng)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(yīng)與有毒物品隔離。
質(zhì)量指標(biāo) | Specification | GB 25588-2010 | FCC VII |
含量(以灼燒后計)(K2CO3),w/% | Content (K2CO3), w/% | ≥99.0 | 99.0-100.5 |
砷,mg/kg ≤ | Arsenic (as As) ,mg/kg ≤ | 2 | ———— |
硫化合物(以K2SO4計),w/% ≤ | Sulfur compound(K2SO4),w/% ≤ | 0.01 | |
鐵(Fe),w/% ≤ | Iron(Fe),w/% ≤ | 0.0010 | ———— |
鉛,mg/kg ≤ | Pb,mg/kg ≤ | ———— | 2 |
重金屬(以Pb計),mg/kg ≤ | Heavy Metals(As Pb),mg/kg ≤ | 10 | ———— |
水不溶物,w/% ≤ | Insoluble Substances,w/% ≤ | 0.02 | Pass the Test |
氯化物(以KCl計),w/% ≤ | Chlorides(KCl),w/% ≤ | 0.015 | ———— |
灼燒失量 ,w/% ≤ | Loss on Ignition,w/% ≤ | 0.60 | 1.00(180℃,4h) |
1、Chemical Name: Potassium Carbonate
2、Molecular Formula: K2CO3
3、Molecular Weight: 138.21
4、CAS: 584-08-7
5、Character: It is anhydrous or contains 1.5 hydrates. Anhydrous form occurs as white, granular powder and hydrated form occurs as white, translucent crystal or granule. It’s odorless and smells alkali. I air, it’s very deliquescent. It’s freely soluble in water and aqueous solution is alkaline. It’s insoluble in ethanol or ether.
6、Usage: It is used as pH regulator, nutrient, processing aid and spice. When added into noodle and wonton processing properly, it could endow the product with unique flavor, color and resilience.
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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