|
Sodium pyrophosphate
|Chemical
formula|: Na4P2O7
|Molecular
weight|: 265.90
|Property|:
White powder,Soluble in water,Density is 2.45,Melting point is 896 ,Water
solution is alkaline Ph of 1% solulion is 9.9-10.7
|Use|:
It is mainly used as detergent, electroplating etc. For food grade
it is mainly Used as food additive, nourishment etc.
|Technical specifications|: BG8848-88
| Names of index |
Index |
| Tech Grade |
Food guade |
| Main conten ≥ |
97.5 |
96.5 |
| Water soluble% ≤ |
0.20 |
0.02 |
| PH (1% solution) |
9.9-10.7 |
9.9-10.7 |
| phosphate |
Through test |
Through test |
| P2O5 ≥ |
51.5 |
51.5 |
| Heavy metals,as Pb≤ |
|
0.001 |
| Arsenic, as As ,≤ |
|
0.0003 |
| Fluoride,as,F ≤ |
|
0.005 |
| Sieve test(Through 60 mesh) ≤ |
90 |
90 |
|Pakage|: Linner,Plastics
bag;Quter,interweave bag.
|Net
Weight|: 25Kgs/10Kgs/Bag.
|