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Executive Standard: HG/T2968-1988
Molecular Formula: Na4P2O7
Character: White powder, easily soluble in water, insoluble in alcohol, density: 2.45, relative density:2.45, melting point: 890°C. Water solution is alkaline, PH of 1% solution is 9.9-10.7.
Package: 25kgs woven bag lined with plastic bag, according to the customer’s demand , Stored at draughty dry places..
Usage: It is mainly used as detergent, electroplating etc.Used as buffering agent, emulsifier, nutritional agent and quality improver in food industry.
Ausführliche Spezifikationen:
Specification |
Tech Grade |
Food Grade |
Appearance |
White Powder |
White Powder |
Main content(based on Na4P2O7) %≥ |
96.5 |
96.5 |
Phosphorus pentoxide ( P2O5 ) %≥ |
51.5 |
51.5 |
Water insoluble %≤ |
0.20 |
0.20 |
PH value(1% aqueous solution) |
9.9-10.7 |
9.9-10.7 |
Orthophosphate |
Pass the test |
Pass the test |
Heavy metals, as Pb % ≤ |
|
0.001 |
Arsenic, as As % ≤ |
|
0.0003 |
Fluoride, as F % ≤ |
|
0.003 |
Produktgruppe : Tetra-Natriumpyrophosphat
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