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一、化学名:磷酸氢钙
二、分子式:CaHPO4·(0,2)H2O
三、分子量:二水物:208.09
四、CAS:无水物:7757-93-9;二水物:7789-77-7
五、性能:白色单斜结晶粉末,无臭无味,溶于稀盐酸、硝酸、微溶于水,不溶于乙醇。相对密度为2.32,与空气中稳定,75℃开始失水生成磷酸氢钙。
六、用途:在食品工业中作疏松剂、面团改良剂、缓冲剂、营养增补剂、稳定剂、乳化剂、稳定剂等。如作面粉、蛋糕、糕点、烘焙制品的膨松剂,复配型面包改质剂,油炸食品改良剂。亦用于饼干、奶粉、冷饮、冰激凌粉,作为营养增补剂或品质改良剂。
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25千克。
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。
质量指标 |
Specification |
GB1889-2004 |
FCC, 1997 |
|
含量(CaHPO4·2H2O),w/% |
Content(As CaHPO4·2H2O ) |
98.0-103.0 |
97.0-105.0 |
|
砷(As),mg/kg ≤ |
Arsenic |
0.0002 |
0.0003 |
|
铅(Pb),mg/kg ≤ |
Pb |
0.0005 |
0.0002 |
|
氟化物(以F计),mg/kg ≤ |
Fluoride(As F) |
0.005 |
0.005 |
|
重金属(以P b计),mg/kg ≤ |
Heavy Metals(As P b) |
0.001 |
0.0015 |
|
灼烧失量,w/% |
无水物 |
Loss On Ignition |
------- |
7.0-8.5(Anhydrous) |
二水物 |
24.5-26.5 |
24.5-26.5(Dihydrate) |
||
盐酸不溶物,w/% ≤ |
Hydrochloric Acid Insoluble |
0.05 |
-- |
1、Chemical Name: Dicalcium Phosphate
2、Molecular Formula : CaHPO4·(0-2)H2O
3、Molecular Weight: Anhydrous: 172.09;Dihydrate: 208.09
4、CAS:Anhydrous :7757-93-9;Dihydrate :7789-77-7
5、Character: It is white monoclinic crystalline powder, odorless; soluble in dilute hydrochloric acid, nitric acid and acetum, slightly soluble in water; insoluble in ethanol. Stabilizing in air. Relative density is 2.32.
6、Usage: In food industry, it is used as leavening agent ,dough modifier ,buffering agent, nutritional supplement, emulsifier, stabilizing agent .
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transportation :It should be stored in a dry and ventilating warehouse; be cautious to keep away from moisture and hot.