|
Tetrasodium Pyrophosphate
(TSPP, FG)
Moleculer Formula:Na4P2O7
Moleculer Weight:265.90
Category:Quality Booster
Code:15.004(GB12493-90)
CAS-No.: 7722-88-5
INS-NO.:E450.iii
EEC.No.:E450.a
Description: White powder.
Identification: The product yields the reaction characteristic
for pyrophosphates.
Solubility: Soluble in water
Specification: Our TSPP(FG) products meet the requirements
of GB8848-88; our export products meet the requirements of GB 8848-88-91
and BK Giulini Chemie Standard Quality.
|
Parameter
|
Specification
|
|
GB8848-88
|
BK Guilini Spec.1274
|
FCC
|
JSFA-VII
|
Na4P2O7,%
 |
96.5
|
96.0
|
95
|
97.0
|
| P2O5,%
|
|
52.8-53.8
|
|
|
Insolubles,%  |
0.20
|
0.20
|
0.20
|
|
| PH(1% Solution) |
9.9-10.7
|
9.9-10.7
|
~10
|
9.9-10.7
|
| Arsenic(As),ppm, |
3
|
2
|
3
|
1.5
|
| Lead(Pb),ppm, |
|
2
|
|
|
| Heavy Metals(as Pb),ppm, |
10
|
10
|
10
|
20
|
| Mercury(Hg),ppm, |
|
1
|
|
|
| Cadmium(Cd),ppm, |
|
1
|
|
|
| Fluoride(F),ppm, |
50
|
10
|
50
|
|
| Chloride(Cl),%, |
|
|
|
0.21
|
| Sulphate(SO4),%, |
|
|
|
0.038
|
| Nitrate(NO3),ppm, |
|
50
|
|
|
| Bulk density,g/l |
|
450-650
|
|
|
| Loss on Ignition,% |
0.5 |
0.5 |
0.5 |
5 |
|
Nitrite(NO2),ppm
|
|
1
|
|
|
|
