In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport:To be stored in a dry, ventilate and clean warehouse; Valid for two years.
Commonly, we add this product according to the proportion of 0.2-0.5%.
It can be adjustable according to the actual situation.
Food Grade Sodium Acid Pyrophosphate
Molecular formula:Na2H2P2O7
Molecular Weight:221.94
Quality standards:
Name of index | FCC-V | GB1886.328-2021 | E 450 (i) |
Content (as counted by Na2H2P2O7), ≥ % | 93.0-100.5 | 94.0 | 95.0 |
P2O5 ,% | - | - | 63.0-64.5 |
Identification | - | - | Positive tests for sodium and for phosphate |
Water insoluble% , ≤% | 1.0 | 0.6 | 1.0 |
PH (1% aqueous solution) | - | 3.5-4.5 | 3.7-5.0 |
Arsenic(As) , ≤% | 0.0003 | 0.0003 | 0.0001 |
Heavy metals (as Pb) , ≤% | - | 0.001 | - |
Fluoride(F) , ≤% | 0.005 | 0.005 | 0.001 |
Pb , ≤% | 0.0002 | 0.0002 | 0.0001 |
Loss on drying(105 °C, 4 hours),≤% | - | - | 0.5 |
Cadmium ,≤% | - | - | 0.0001 |
Mercury , ≤% | - | - | 0.0001 |
Aluminium ,≤mg/kg | - | - | 200 |