Soudim hexametephosphatete
Byname:Graham' salt
formulation:(NaPO3)6 or (NaPO3)n
| Specification |
| No. |
Item |
National
standard |
Ananlytical
data |
| first class |
salable product |
| 1 |
total phosphate content(P2O5%) |
 68.0 |
65.0 |
68.0 |
| 2 |
unactived phosphate(P2O5%) |
 7.5 |
10.0 |
7.0 |
| 3 |
unsolubile content% |
0.05 |
0.15 |
0.04 |
| 4 |
Ferric% |
0.05 |
0.20 |
0.04 |
| 5 |
PH Value |
5.8-7.3 |
5.8-7.5 |
5.8-7.3 |
| 6 |
Solubility |
eligible |
eligible |
eligible |
| 7 |
average polymerization degree |
10-15 |
|
|
|
