Customization: | Available |
---|---|
CAS No.: | 7758-16-9 |
Formula: | Na2h2p2o7 |
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Specification
|
Sodium Acid Pyrophosphate(SAPP)
|
Main content % ≥
|
93-100.5
|
P2O5 % ≥
|
63-64
|
Cl % ≤
|
0.005
|
Fe % ≤
|
0.008
|
Water insoluble % ≤
|
1.0
|
PH (2% water solution )
|
3.5-4.5
|
As % ≤
|
0.0003
|
Lead % ≤
|
0.0002
|
F% ≤
|
0.005
|
Items
|
Specifications
|
Results
|
NA2H2P2O7
|
95% Min
|
96.5%
|
P2O5
|
63.0%-64.5%
|
63.7%
|
Water Insoluble
|
0.5% Max
|
0.1%
|
PH Value
|
3.5-4.5
|
4.1
|
F
|
10ppm Max
|
5
|
As
|
1ppm Max
|
<1ppm
|
LEAD
|
1ppm Max
|
<1ppm
|
cadmium
|
1ppm max
|
<1ppm
|
hg
|
1ppm max
|
<1ppm
|
al
|
200ppm max
|
<200ppm
|
CU
|
1ppm Max
|
<1ppm
|
DRY WEIGHT LOSS(105 OC,4H)
|
0.5Max
|
0.1
|
Heavy metals (As Pb)
|
10ppm Max
|
<10 ppm
|
Bulk density (g/l)
|
800-1050g/l
|
950g/l
|
RAISING RATE (ROR)
|
26-30
|
28
|
100mesh passed
|
95% min
|
97
|
200mesh passed
|
85%min
|
87
|
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