Sodium Hexametaphosphate
Sodium Hexametaphosphate
Detailed Information
| Sodium Hexametaphosphate Product Quality Index | ||||
| Analysis items | Specification | |||
| Medical Grade | Food Grade | Feed Grade | Industrial Grade | |
| Appearance | Colorless transparent glass flakes or powder | White powder | White to slightly yellow powder | Grayish white flaky or powder |
| Content (calculated as Na₆P₆O₁₈) | ≥99.0% (USP) | ≥97.0% (GB 1886.4/FCC) | ≥95.0% | ≥92.0% |
| Total Phosphates (calculated as P₂O₅) | ≥68.0% | ≥67.0% | ≥65.0% | ≥62.0% |
| pH Value (1% Aqueous Solution) | 6.0 - 7.5 | 5.8 - 7.2 | - | - |
| Insoluble in Water | ≤0.005% | ≤0.01% | ≤0.05% | ≤0.2% |
| Heavy Metals (calculated as Pb) | ≤2 ppm | ≤5 ppm | ≤10 ppm | ≤20 ppm |
| Arsenic (As) | ≤0.5 ppm | ≤1 ppm | ≤2 ppm | ≤3 ppm |
| Fluorides (F) | ≤3 ppm | ≤5 ppm | ≤10 ppm | ≤15 ppm |
| Iron (Fe) | ≤10 ppm | ≤15 ppm | ≤25 ppm | ≤50 ppm |
| Calcium Chelating Value (mg CaCO₃/g) | ≥450 | ≥420 | ≥380 | ≥350 |
| Dissolution Time (20℃ Water) | ≤30 seconds | ≤60 seconds | ≤90 seconds | ≤120 seconds |
| Ignition Loss (550℃) | ≤0.5% | ≤1.0% | ≤2.0% | ≤3.0% |
Application Scope
1、Food Processing: As a food additive, it is often used in meat, seafood and dairy products, with the functions of fresh - keeping and improving texture.
2、Cleaning Agent: As a component of detergents, it helps to remove dirt and soften water quality.
3、Water Treatment: Used as an assistant in the water treatment process, it helps to remove metal ions in water and prevent scale formation.
4、Chemical Industry: As a buffer and emulsifier, it participates in various chemical reactions.
Label Description
- Food - grade Sodium Hexametaphosphate
- Feed - grade Sodium Hexametaphosphate
- Industrial - grade Sodium Hexametaphosphate