|
Indicator Description |
AR |
|
Na4P2O7 · 10H2O % ≥ |
98.0 |
|
Loss on Ignition % |
38.0-42.0 |
| Fluoride (As F),mg/kg ≤ |
50 |
| Heavy Metal (As Pb),mg/kg ≤ |
10 |
| Lead (as Pb),mg/kg ≤ |
4 |
|
As,mg/kg ≤ |
3 |
|
PH value (10g/L solution, 25 ℃) |
9.9-10.7 |
| Water insoluble substances %≤ |
0.2 |
Sodium Pyrophosphate
- Molecular formula：Na4P2O7 · 10H2O
- Molecular weight：446.10
- CAS No：13472-36-1
- Properties：White crystalline or crystalline powder, soluble in water, insoluble in ethanol and other organic solvents.
- Application：Used as a water softener, emulsifier, metal detergent, boiler water treatment agent, drilling mud viscosity regulator, etc; Washing aids, paper bleaching, electroplating industry; Used as buffering agents, emulsifiers, nutritional supplements, and quality improvers in the food industry.
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