Sodium Hydrogen Phosphate
Specifications
Sodium Hydrogen Phosphate:1.White crystal
2. Content: 97%
97% Disodium Hydrogen Phosphate/Sodium Hydrogen Phosphate
Properties:
White powder, the melting point is 190 centigrade. It is soluble in water showing acidity. It decompounds sodium pyrophosphate anhydrous at 225-250 centigrade, and becomes sodium metaphosphate at 350-400 centigrade. It is slightly hygroscopic .
Use:
For boiler water treatment, electroplating, leather, BeiFen, fuel additives, detergent, mica tulameen close, acidic slow agent etc, also be preparing sodium hexametaphosphate and polycondensation chromate salt of raw material
Details:
No. |
Index |
Industrial Grade |
Food grade |
1 |
Main content %≥ |
97.0 |
98.0 |
2 |
P2O5 %≥ |
19.2 |
19.4 |
3 |
pH of 1% water solution |
8.8-9.2 |
9.0-9.4 |
4 |
Chloride, as Cl % ≤ |
0.05 |
0.014 |
5 |
Sulfate, as SO4 % ≤ |
0.7 |
0.25 |
6 |
Heavy metal, as Pb % ≤ |
- |
0.001 |
7 |
Arsenic, as As % ≤ |
0.005 |
0.0003 |
8 |
Fluoride, as F % ≤ |
0.05 |
0.002 |
9 |
Water insoluble % ≤ |
0.10 |
0.05 |
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