|
Items |
Food grade FCCIV |
USP25 |
Dental grade |
|
Appearance |
White powder |
White powder |
White powde |
|
Content, % |
97.0-105.0 |
98.0-105.0 |
98.5 min. |
|
Fluoride ,ppm |
50 max. |
50 max. |
50 max. |
|
Loss on ignition,% |
24.5-26.5 |
24.5-26.5 |
24.5-26.5 |
|
Heavy metals,ppm |
15 max. |
10 max. |
10 max. |
|
As,ppm |
3 max. |
1 max. |
3 max. |
|
Pb,ppm |
2 max. |
1 max. |
2max. |
|
Fineness(pass 45Um mesh),% |
Meet customer`s demand |
Meet customer`s demand |
99.0 min. |
|
Acid Insolubles,% |
0.2 max. |
0.2max. |
0.2max |
|
Carbonate |
/ |
Pass test |
Pass test |
|
Chloride, % |
/ |
0.25 max. |
0.03 max |
|
Sulfides |
/ |
0.5 max. |
Pass test |
|
Barium |
/ |
Pass test |
Pass test |
|
Yeast/Mold,cfu/g |
/ |
10 max. |
500 max. |
|
Aerobic plate count,cfu/g |
/ |
10 max |
100 max. |
|
Organic volatile impurity |
/ |
Pass test |
/ |
|
PH value(20% turbid liquid) |
/ |
/ |
6.8-8.1 |
|
P2O5,% |
/ |
/ |
40.5-42.5 |
|
CaO,% |
/ |
/ |
31.4-32.9 |
|
Titration value |
/ |
/ |
57-61 |
|
whiteness, % |
/ |
/ |
95 min. |
|
Absorptive water capacity(ml/20g)% |
/ |
/ |
5.0-6.5 |
|
Stability |
/ |
/ |
Pass test |
|
60 D.C. Water Loss, % |
/ |
/ |
0.6 max. |
|
Set Test |
/ |
/ |
Pass Test |