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
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SPECIFICATION LIMITS
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Color, odor, texture, taste
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Pure, white odorless, tasteless fine powder
|
CaO %
|
31.4~32.9
|
whiteness
|
≥95
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Finess (through 45um)%
|
≥99
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Water absorbtion(mlH2O/20g)
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5.0~6.5
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density(g/mL)
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0.80~1.00
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Fluoride(as F)%
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≤0.005
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Chloride (as Cl)%
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≤0.01
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Loss on ignition %
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25.0~26.5
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PH(20% slurry)
|
6.9~8.1
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Stability
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Pass test
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Carbonate
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Pass test
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Sulphate
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Pass test
|
Iron(as Fe)%
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≤0.01
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Barium(as Ba)
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Pass test
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Insoluble in acid %
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≤0.2
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Loss on drying %
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≤0.6
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P2O5 %
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40.7~42.5
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Sulphate(as SO4)%
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≤0.2
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Heavy metals(as Pb)%
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≤0.0015
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Arsenic(as As)%
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≤0.0003
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Total Aerobic Count(CFU/g)
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≤100
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Mold And Yeast Count(CFU/g)
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≤100
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Staphylococcus Aureus
|
Negative to test
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Gram Negative Bacilli
|
Negative to test
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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
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標準
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顏色,嗅覺,形態,味覺
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純白,無味,均勻粉未、無摻雜,無味
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氧化鈣(CaO)%
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31.4~32.9
|
白度
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≥95
|
細度(通過45um)%
|
≥99
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吸水量(mlH2O/20g)
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5.0~6.5
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表觀密度(g/mL)
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0.80~1.00
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氟(F)%
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≤0.005
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氯化物(以Cl計)%
|
≤0.01
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灼燒失重%
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25.0~26.5
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PH值(20%懸浮液)
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6.9~8.1
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穩定性
|
通過試驗
|
碳酸鹽
|
通過試驗
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硫化物
|
通過試驗
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鐵(Fe)%
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≤0.01
|
鋇(Ba)
|
通過試驗
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酸不溶物%
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≤0.2
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氟離子穩定性快速試驗
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≤0.6
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干燥失量%
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40.7~42.5
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五氧化二磷(P2O5)%
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≤0.2
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硫酸鹽(SO4)%
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≤0.0015
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重金屬(以Pb計)%
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≤0.0003
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砷(As)%
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≤100
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菌落總數(CFU/g)
|
≤100
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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
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注:指標限值將定期變化,請洽我司業務人員更新的數據表。