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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

 

化学分子式: CaHPO4.2H2O(二水)
CAS 编号.: 7789-77-7(二水)
用途: 作为牙膏中的摩擦剂。
包装: 25公斤纸袋或1000公斤大袋
规格: 澄星标准

分析项目
标准
颜色,嗅觉,形态,味觉
纯白,无味,均匀粉未、无掺杂,无味
氧化钙(CaO%
31.4~32.9
白度
95
细度(通过45um%
99
吸水量(mlH2O/20g
5.0~6.5
表观密度(g/mL
0.80~1.00
氟(F%
0.005
氯化物(以Cl计)%
0.01
灼烧失重%
25.0~26.5
PH值(20%悬浮液)
6.9~8.1
稳定性
通过试验
碳酸盐
通过试验
硫化物
通过试验
铁(Fe%
0.01
钡(Ba
通过试验
酸不溶物%
0.2
氟离子稳定性快速试验
0.6
干燥失量%
40.7~42.5
五氧化二磷(P2O5%
0.2
硫酸盐(SO4%
0.0015
重金属(以Pb计)%
0.0003
砷(As%
≤100
菌落总数(CFU/g
≤100
霉菌和酵母菌总数(CFU/g)
不应检出
金黄色葡萄球菌
不应检出
:指标限值将定期变化,请洽我司业务人员更新的数据表。

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