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一,、化學名:磷酸二氫鈣,,磷酸一鈣
二、分子式:Ca(H2PO4)2,,Ca(H2PO4)2·H2O
三,、分子量:無水物:234.05;一水物:252.07
四,、CAS:無水物:7758-23-8,;一水物:10031-30-8
五、性能:白色結(jié)晶粉末或片狀結(jié)晶,比重2.220,,在100℃時失去結(jié)晶水,,溶于鹽酸及硝酸,微溶于水(1.8﹪),。
六,、用途:在食品工業(yè)中作膨松劑、面團調(diào)節(jié)劑,、緩沖劑,、組織改良劑,、固化劑,、營養(yǎng)增補劑、螯合劑等,。
七,、包裝:內(nèi)襯聚乙烯塑料袋,外套復合塑料編織袋包裝,,每袋凈重25千克,。
八、貯存與運輸:本品應(yīng)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(yīng)與有毒物品隔離,。
Specification |
GB25559-2010 |
FCC,1999 |
||
含量(以Ca計) ,, w/% |
無水物 |
Content(As Ca ) |
16.8-18.3 |
16.8-18.3(Anhydrous) |
一水物 |
15.9-17.7 |
15.9-17.7(Monohydrate) |
||
砷 (As), mg/kg ≤ |
Arsenic |
3 |
3 |
|
鉛 (Pb), mg/kg ≤ |
Lead |
3 |
5 |
|
重金屬(以P b計),mg/kg ≤ |
Heavy Mental(As P b) |
10 |
15 |
|
氟化物(以F計), mg/kg ≤ |
Fluoride |
25 |
50 |
|
干燥減量,,無水物,,w/% ≤ |
Loss On Drying |
1.0 |
1.0( Anhydrous) |
|
灼燒減量,一水物,,w/% ≤ |
Loss On Ignition |
14.0-15.5 |
14.0-15.5( Monohydrate) |
|
澄清度 |
Clarity |
通過試驗 |
-- |
|
碳酸鹽 |
Carbonate |
通過試驗 |
-- |
|
游離酸及其副鹽 |
Free Acid & Its Auxiliary Salt |
通過試驗 |
-- |
1,、Chemical Name: MONOCALCIUM PHOSPHATE
2、Molecular Formula : Ca(H2PO4)2 ,,Ca(H2PO4)2·H2O
3,、Molecular Weight: Anhydrous:234.05;Monohydrate:252.07
4,、CAS:Anhydrous:7758-23-8,;Monohydrate:10031-30-80
5、Character: It is white crystalline powder or flaky crystal. Specific gravity is2.220. When heated to 100℃,it begins to lose crystal water. It is soluble in hydrochloric acid and nitric acid ,slightly soluble in water(1.8﹪).
6、Usage: In food industry, it is used as swelling agent ,dough regulator ,buffering agent, modifier, firming agent ,nutritional supplement ,chelating 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 Transport:It should be stored in a dry and ventilating warehouse; be cautious to keep away from moisture and hot; unloaded with care , so as t o avoid the damage. Furthermore, it should be stored separately from poisonous substances.