TSPP
Detail
1.TETRASODIUM PYROPHOSPHATE FOOD GRADE
Item | Standard | Result |
Content（Na4P2O7 ）%≥ | 96.0 | 96.5 |
Phosphorus pentoxide（P2O5）%≥ | 51.5 | 51.8 |
PH value（1% water solution） | 9.9-10.7 | 10.2 |
Water-insoluble % ≤ | 0.1 | 0.08 |
Fluoride (F)% ≤ | 0.005 | 0.004 |
Lead% ≤ | 0.001 | 0.001 |
Arsenic (As)% ≤ | 0.0003 | 0.0003 |
Loss on burning% ≤ | 0.5 | 0.5 |
2.TETRASODIUM PYROPHOSPHATE TECH GRADE
Item | Standard | Result |
Content（Na4P2O7 ）%≥ | 96.5 | 96.7 |
Phosphorus pentoxide（P2O5）%≥ | 51.5 | 51.5 |
PH value（1% water solution） | 9.9-10.7 | 10.0 |
Water-insoluble % ≤ | 0.1 | 0.08 |
Fluoride (F)% ≤ | 0.005 | 0.002 |
Loss on burning% ≤ | 0.5 | 0.5 |