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TSPP - Tetrasodium Pyrophosphate Food Grade/Feed Grade
MolecularFormula:Na4P2O7;Na4P2O7·10H2O
Molecular Weight:265.91;446.07
CAS NO.:7722-88-5(Anhydrous);13472-36-1(Decahydrate )
Standard executed:GB1886.339-2021;FCC; Q/WLD10-2021
Appearance:White powder or crystals.
Usage:Used as acidity adjuster, emulsifier, expanding agent, chelating agent or moisture retaining agent in food industry. Used as preservative, antiseptic or acidity adjuster in feed processing.
Packaging:25kg, 50kg, 1000kg bags or according to customer's demand.
Specification
|
Item |
Food Grade |
Feed Grade |
|
|
Main contents(Na4P2O7·10H2O),W/% ≥ |
98.0 | -- | |
|
Main contents(Na4P2O7),W/% |
96.5~100.5 | 96.5~100.5 | |
|
Loss on ignition (Na4P2O7) |
(Na4P2O7·10H2O),W/% | 38.0~42.0 | -- |
| (Na4 P2O7), W/% ≤ | 0.5 | -- | |
| Water insoluble,W/% ≤ | 0.2 | 0.2 | |
| Moisture,W/% ≤ | 2.5 | ||
| pH Value (10g/L) | 9.9~10.7 | 9.9~10.7 | |
| Ortho phosphate |
Pass |
Pass |
|
|
Heavy metals (as Pb) / (mg/kg) ≤ |
10 | -- | |
| Fluoride (F) / (mg/kg) ≤ | 50.0 | 100 | |
| Arsenic (As) / (mg/kg) ≤ | 3.0 | 10 | |
| Chromium (Cr) / (mg/kg) ≤ | -- | 10 | |
| Lead (Pb) / (mg/kg) ≤ | 4.0 | 10 | |
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