In the USA they use these sources to fluoridate their water. Heavy metals like lead at 100th part. No description of the 0.5p of water-insoluble matter.
If the price is right Birmingham next?
We
are a leading Sodium
Silicofluoride
supplier
in China Now we’d
like to offer you
Sodium
Silicofluoride
as follows
Specifications
1.Cas no.: 16893-85-9
2.Sodium Silicofluoride : 99% min
2.Sodium Silicofluoride : 99% min
Items
|
Standard
Index
|
Sodium
Silicofluoride
|
99.00%
MIN
|
Loss of weight on
drying at 105
|
0.30%
MAX
|
Free acid(as
HCl)
|
0.10%
MAX
|
Chlorides(as
Cl-)
|
0.10%
MAX
|
Sulphate(SO42-)
|
0.25%
MAX
|
Iron(Fe)
|
0.02%MAX
|
Water-insoluble
matter
|
0.5%
MAX
|
Heavy metal(as
Pb)
|
0.01%MAX
|
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