TESODIUMPYRO PHOSPHATR
detail：
Guaranteed Technical Specifications
Chemical formula: Na4P2O7
Standard executed: HG/T2968-1988
Throughput: 5000t/a
Properties
White powder, easily soluble in water, density at 2.45, melting point at 890℃, its water solution is alkaline, PH value in 1% solution is 9.9~10.7
Uses
Mainly used as detergent in washing, bleach in paper-making, and electroplating, etc. For food grade it is mainly used as food additive, buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Packing and storage
Plastic-woven sack with polythene inner bag, net weight at 25kg, 50kg or 1000kg. Store at a ventilated, dry place.
- Other Parameters
|
No
|
Specifications
|
Industrial grade
|
Food grade
|
|
1
|
%≥ Main contents
|
96.5
|
96.5
|
|
2
|
%≥ Phosphorus pentoxide
|
51.50
|
51.50
|
|
3
|
Phosphate
|
Qualified
|
Qualified
|
|
4
|
PH value of 1% solution
|
9.9—10.7
|
9.9-10.7
|
|
5
|
%≥ Fineness (through 60 mesh)
|
90
|
90
|
|
6
|
%≤ Heavy metals, as Pb
|
|
0.001
|
|
7
|
%≤ Arsenic, as As
|
|
0.0003
|
|
8
|
%≤ Fluoride as F
|
|
0.005
|
|
9
|
%≤ Water insoluble
|
0.10
|
0.10
|