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一、化學(xué)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(wú)水物：234.05,；一水物：252.07
四,、CAS：無(wú)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(shí)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(tuán)調(diào)節(jié)劑、緩沖劑,、組織改良劑,、固化劑、營(yíng)養(yǎng)增補(bǔ)劑,、螯合劑等,。
七、包裝：內(nèi)襯聚乙烯塑料袋,，外套復(fù)合塑料編織袋包裝,，每袋凈重25千克。
八,、貯存與運(yùn)輸：本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中,，裝載運(yùn)輸時(shí)要輕裝輕放，防止包裝破損,，防止受潮,、受熱，運(yùn)輸過(guò)程中防止雨淋受潮,，應(yīng)與有毒物品隔離,。
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Specification |
GB25559-2010 |
FCC,1999 |
||
|
含量(以Ca計(jì)) ， w/% |
無(wú)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(jì)）,，mg/kg ≤ |
Heavy Mental（As P b） |
10 |
15 |
|
|
氟化物(以F計(jì)), mg/kg ≤ |
Fluoride |
25 |
50 |
|
|
干燥減量,，無(wú)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(guò)試驗(yàn) |
-- |
|
|
碳酸鹽 |
Carbonate |
通過(guò)試驗(yàn) |
-- |
|
|
游離酸及其副鹽 |
Free Acid & Its Auxiliary Salt |
通過(guò)試驗(yàn) |
-- |
|
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.
