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DICALCIUM PHOSPHATE (DCP) DENTAL GRADE

Published in:2012/2/12 12:52:45  Click:

 

Chemical formula: CaHPO4.2H2O(dihydrate)
CAS NO.: 7789-77-7(dihydrate)
Applications: used in dentifrice as polishing agent.
Packing: 25kg paper bag or 1000kg super sack
Specifications: CXPC standard

CHARACTERISTICS
SPECIFICATION LIMITS
Color, odor, texture, taste
Pure, white odorless, tasteless fine powder
CaO %
31.4~32.9
whiteness
≥95
Finess (through 45um)%
≥99
Water absorbtion(mlH2O/20g)
5.0~6.5
density(g/mL)
0.80~1.00
Fluoride(as F)%
≤0.005
Chloride (as Cl)%
≤0.01
Loss on ignition %
25.0~26.5
PH(20% slurry)
6.9~8.1
Stability
Pass test
Carbonate
Pass test
Sulphate
Pass test
Iron(as Fe)%
≤0.01
Barium(as Ba)
Pass test
Insoluble in acid %
≤0.2
Loss on drying %
≤0.6
P2O5 %
40.7~42.5
Sulphate(as SO4)%
≤0.2
Heavy metals(as Pb)%
≤0.0015
Arsenic(as As)%
≤0.0003
Total Aerobic Count(CFU/g)
≤100
Mold And Yeast Count(CFU/g)
≤100
Staphylococcus Aureus
Negative to test
Gram Negative Bacilli
Negative to test

NOTE: Specification Limits are subject to change from time to time. Please contact us for current data sheet

 

化學分子式: CaHPO4.2H2O(二水)
CAS 編號.: 7789-77-7(二水)
用途: 作為牙膏中的摩擦劑。
包裝: 25公斤紙袋或1000公斤大袋
規格: 澄星標準

分析項目
標準
顏色,嗅覺,形態,味覺
純白,無味,均勻粉未、無摻雜,無味
氧化鈣(CaO%
31.4~32.9
白度
95
細度(通過45um%
99
吸水量(mlH2O/20g
5.0~6.5
表觀密度(g/mL
0.80~1.00
氟(F%
0.005
氯化物(以Cl計)%
0.01
灼燒失重%
25.0~26.5
PH值(20%懸浮液)
6.9~8.1
穩定性
通過試驗
碳酸鹽
通過試驗
硫化物
通過試驗
鐵(Fe%
0.01
鋇(Ba
通過試驗
酸不溶物%
0.2
氟離子穩定性快速試驗
0.6
干燥失量%
40.7~42.5
五氧化二磷(P2O5%
0.2
硫酸鹽(SO4%
0.0015
重金屬(以Pb計)%
0.0003
砷(As%
≤100
菌落總數(CFU/g
≤100
霉菌和酵母菌總數(CFU/g)
不應檢出
金黃色葡萄球菌
不應檢出
:指標限值將定期變化,請洽我司業務人員更新的數據表。

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ADD:No.18,ChengZhang Road, Jiangyin, Jiangsu, China ZIP:214400 Email:cx@phosphatechina.com
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