sodium pyrophosphate tspp
Specification
1.
| NO | Specifications | Industrial Grade | FoodGrade |
| 1 | Assay (as Na4P2O7 )%≥ | 96.5 | 96.5 |
| 2 | P2O5 %≥ | 51.5 | 51.5 |
| 3 | Ortho Phosphates | Pass | Pass |
| 4 | PH Value | 9.9-10.7 | 9.9-10.7 |
| 5 | Water Insoluble matter % ≤ | 0.2 | 0.2 |
| 6 | Size (through 60mesh sieve) | 90% Min. | 90% |
| 7 | L.O.I. % ≤ | 0.5 | |
| 8 | (As F)%≤ | 0.005 | |
| 9 | (As As)%≤ | 0.0003 |
2.
Product Industrial Sodium Pyrophosphate (SPP)
Molecular Formula Na4P2O7
Molecular Weight 265.90
Specification In conformity to HG/T2968-1999; customer’s demand
Package 25Kg / 50Kg inner plastic and outer knitting bag; customer’s demand
Application Used as washing agent, bleaching agent, water treatment agent, electrical coating, petroleum drilling, etc.