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sodium fluoirde water treatment agent sodium silicofluoride
Molecular weight :42
CAS No.: 7681-49-4
UN No.:1690
HS Code:2826.1920.10
[Properties]:Sodium fluoride is anhydrous white crystal or powder. Molecular formula is NaF. Specific gravity is 2.6. It is slightly soluble in water, insoluble in ethanol.
Molecular weight :42
CAS No.: 7681-49-4
UN No.:1690
HS Code:2826.1920.10
[Properties]:Sodium fluoride is anhydrous white crystal or powder. Molecular formula is NaF. Specific gravity is 2.6. It is slightly soluble in water, insoluble in ethanol.
[Quality standard]qualified with the standard [GB4293-84] excellent grade.
Index item |
Standard content(%) |
Test result(%) |
Sodium fluoride(NaF) |
≥98 |
98.68 |
Silicon dioxide (SiO2) |
≤0.5 |
0.48 |
Sulfate (SO4) |
≤0.3 |
0.08 |
Acidity (HF) |
≤0.1 |
0.016 |
Sodium carbonate (Na2CO3) |
≤0.5 |
0.21 |
Water insoluble matter |
≤0.5 |
0.31 |
Moisture(H2O) |
≤0.5 |
0.19 |
Particle size -200mesh (powder) |
≥90 |
95 |
Particle size -60mesh (crystal) |
≥45 |
60 |
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