Sodium Acid Pyrophosphate (SAPP-28)
Sodium Acid Pyrophosphate (SAPP-28), or disodium dihydrogen pyrophosphate.
- its food grade is commonly used with sodium bicarbonate as a leavening agent in bakery products;
- also, it maintains the color in processed potatoes and also prevents struvite crystal in canned seafood.
Specification
Sodium Acid Pyrophosphate
| Test Item | Specification |
| Content (Na2H2P2O7) % | ≥95.0 |
| Phosphorus pentoxide(P2O5) | 63.0-64.0 |
| PH value | 3.7-4.5 |
| Water-insoluble % | ≤1.0 |
| Fluoride (F) % | ≤10ppm |
| Heavy metal (Pb) % | ≤10ppm |
| Arsenic (As) % | ≤1ppm |
| Pb | ≤1ppm |
| Hg | ≤1ppm |
| Cd | ≤1ppm |
| Loss on burning(105ºC)% ≤ | ≤0.5 |
| ROR | 28 |
