|
Disodium phosphate(DSP)
Moleculer Formula:Na2HPO4
Moleculer Weight:141.98
Category:Quality Booster.
Code:15.006(GB12493-90)
CAS-No.:7558-79-4
INS-NO.:E339.ii
EEC.No.:E339.b
Description: White powder.
Identification: The product yields the reaction characteristic
for phosphates.
Solubility: Soluble in water
Specification: Our DSP(FG) products meet the requirements
of Q/YL011-1997 and HG2920-2000:
|
Parameter
|
Specification
|
|
Q/YL010-1997
|
BK Guilini
|
HG2919-2000
|
FCC
|
JSFA-VII
|
Na2HPO4,%
 |
98.0
|
|
98.0
|
98.0
|
98.0
|
| P2O5,%
|
|
39.5-40.5
|
|
|
|
Insolubles,%  |
0.10
|
|
0.2
|
0.2
|
|
| PH(1% Solution) |
9.0-9.4
|
8.8-9.4
|
|
|
9.0-9.6
|
| Arsenic(As),ppm, |
5
|
1
|
3
|
3
|
1.5
|
| Lead(Pb),ppm, |
|
4
|
|
|
|
| Heavy Metals (as Pb),ppm, |
20
|
10
|
10
|
10
|
20
|
| Fluoride(F),ppm, |
50
|
10
|
50
|
50
|
|
| Chloride(Cl),%, |
0.014
|
|
|
|
0.21
|
| Sulphate(SO4),%, |
0.25
|
|
|
|
0.038
|
| Loss of weight in drying,% |
|
|
5.0
|
5
|
2
|
|
