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食品级氢氧化钙

氢氧化钙  CALCIUM HYDROXIDE

 

一、化学名:氢氧化钙

二、分子式:Ca(OH)2

三、分子量:74.09

四、CAS:1305-62-0

五、性状:白色粉末状固体,具有咸味,稍带苦味,相对密度2.078。强碱性。微溶于水,溶于甘油,盐酸和硝酸,不溶于乙醇。加热至580℃,失水成为氧化钙。在空气中吸收CO2而变为碳酸钙。

六、用途:缓冲剂、中和剂、固化剂。用于啤酒,干酪和可可制品。还可用于婴幼儿配方奶粉、学龄前儿童配方奶粉、儿童配方奶粉、孕妇及哺乳期妇女营养奶粉。

七、包装:内衬聚乙烯塑料袋,外套塑料编织袋,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 25572―2010 FCC VII
氢氧化钙,Ca(OH)2 , w/% Ca(OH)2 , w/% 95.0-100.5 95.0~100.5
碳酸盐, w/% Carbonate , w/% 通过试验 Pass the test
镁及碱金属,w/%          ≤ Magnesium and Alkali Salts, w/% ≤ 2.0 4.8
酸不溶物,w/%            ≤ Acid-insoluble Substance, w/%  ≤ 0.1 0.5
砷(As),mg/kg            ≤ Arsenic(As),mg/kg          ≤ 2 3
氟化物(以F 计),mg/kg    ≤ Fluoride(F),mg/kg           ≤ 50 50
铅(Pb),mg/kg           ≤ Pb,mg/kg                   ≤ 2 2
重金属(以Pb 计), mg/kg  ≤ Heavy Metals(as Pb), mg/kg     ≤ 10 ————
干燥减量,w/%            ≤ Loss on Drying, w/%           ≤ 1.0 ————
筛余物(0.045mm) ,w/%  ≤ Residue on Sieve(0.045mm),w/% ≤ 0.4 ————

 

1、Chemical Name: Calcium Hydroxide

2、Molecular Formula : Ca(OH)2

3、Molecular Weight: 74.09

4、CAS: 1305-62-0

5、Character: It occurs as white powder, tastes salty and slightly bitter. Relative density is 2.078. It’s a kind of strong alkali. It’s slightly soluble in water, soluble in glycerin, hydrochloric acid and nitric acid, indissoluble in ethanol. When heated up to 580, it loses water and turn to Calcium Oxide. In air, it absorbs Carbon Dioxide and turn to Calcium Carbonate.

6、Usage: It’s used as buffer, neutralizer, firming agent. It could be used in beer, cheese and cocoa. It’s also could be used in infant formula, preschool children formula, maternal formula.

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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