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 Tripolyphosphate
Molecular formula:Na5P3O10
Molecular Weight:367.86
Quality standards:
Name of index | GB1886.335-2021 | FCC-V | E 451 (i) |
Sodium Tripolyphosphate,≥% | 85 | 85 | 85 |
P2O5 , ≥% | 56.0-58.0 | - | 56.0-59.0 |
Identification | - | - | Positive tests for sodium and for phosphate |
Fluoride (as F) ,≤% | 0.002 | 0.005 | 0.001 |
Arsenic (As) ,≤% | 0.0003 | 0.0003 | 0.0001 |
Heavy Metal (as Pb) , ≤% | 0.001 | - | - |
Higher polyphosphates , ≤% | - | - | 1 |
Water Insoluble , ≤% | 0.1 | 0.1 | 0.1 |
pH (1% aqueous solution) | 9.1-10.1 | - | 9.1-10.2 |
Pb , ≤% | 0.0002 | 0.0002 | 0.0001 |
Loss on drying (105 °C, 1 hour), ≤% | - | - | 0.7 |
Cadmium ,≤% | - | - | 0.0001 |
Mercury , ≤% | - | - | 0.0001 |