一、化学名:碳酸钾
二、分子式:K2CO3
三、分子量:138.21
四、CAS:584-08-7
五、性状:有无水物或含1.5分子的结晶。无水物为白色粒状粉末,结晶为白色半透明小晶体颗粒。无臭,有强碱味。在湿空气中易吸湿潮解。易溶于水,水溶液呈碱性。不溶于乙醇及乙醚。
六、用途:酸度调节剂、营养增补剂、加工助剂、香料。在制造面条、馄饨时适量加入,可赋予产品特有的···
一、化学名:碳酸钾
二、分子式:K2CO3
三、分子量:138.21
四、CAS:584-08-7
五、性状:有无水物或含1.5分子的结晶。无水物为白色粒状粉末,结晶为白色半透明小晶体颗粒。无臭,有强碱味。在湿空气中易吸湿潮解。易溶于水,水溶液呈碱性。不溶于乙醇及乙醚。
六、用途:酸度调节剂、营养增补剂、加工助剂、香料。在制造面条、馄饨时适量加入,可赋予产品特有的风味、色泽和韧性(常与碳酸钠等合用)。亦用于矿物质饮料。
七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋包装,每袋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 | GB 25588-2010 | FCC VII |
Content(K2CO3),w/% | ≥99.0 | 99.0-100.5 | |
砷,mg/kg ≤ | 2 | ———— | |
硫化合物(K2SO4,以干基计),w/% ≤ | 0.01 | ———— | |
铁(Fe),w/% ≤ | Iron(Fe),w/% ≤ | 0.0010 | ———— |
铅,mg/kg ≤ | Pb,mg/kg ≤ | ———— | 2 |
重金属(以Pb计),mg/kg ≤ | Heavy Metals(As Pb),mg/kg ≤ | 10 | ———— |
水不溶物(以干基计),w/% ≤ | Insoluble Substances(on the dried basis),w/% ≤ | 0.02 | Pass Test |
氯化物(KCl,以干基计),w/% ≤ | Chlorides(KCl,on the dried basis),w/% ≤ | 0.015 | ———— |
灼烧失量 ,w/% ≤ | Loss on Ignition,w/% ≤ | 0.60 | 1.0 (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.