We are the manufacture of the the item above. By right of the good quality and very competitve price, we win lots of overseas friend.
|
ITEM< XML:NAMESPACE PREFIX = O /> |
STANDARD |
|
Na5p3o10 % ≥ |
95.0 |
|
p2o5 % ≥ |
57.0 |
|
water insoluble % ≤ |
0.05 |
|
F % ≤ |
0.003 |
|
As % ≤ |
0.00013 |
|
Heavy metals (Pb) % ≤ |
0.001 |
|
chloride (Cl) % ≤ |
0.025 |
|
sulphate (so4) % ≤ |
0.4 |
|
whiteness % ≥ |
85 |
|
ph(1% aqueous solution) |
9.5-10.0 |