Retention Period
|
|
2 years
|
SPECIFICATION
|
TOOTHPASTE GRADE
|
Result
|
ITEMS
|
USP-32
|
Standard
|
assay(Na2PO3F) %
|
91.7-100.5%
|
98%
|
Coalescent fluorin %
|
/
|
/
|
dissociate fluorin %
|
≤1.2%
|
0.4%
|
assemble fluorin %
|
/
|
/
|
arseni %
|
≤0.0003%
|
0.0003%
|
PH value(20g/Lsolution)
|
6.5-8.0
|
6.9
|
Loss on drying %
|
≤0.2%
|
0.2%
|
volatilization %
|
Eligible
|
Eligible
|
Insoluble residues
|
Pass
|
Pass
|
Heavy metal (Pb) %
|
≤0.005%
|
0.005%
|
Fluorin %
|
≤1.2%
|
0.5%
|