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Sodium Acid Pyrophosphate (SAPP)
Disodium pyrophosphate
Synonym:Sodium Acid Pyrophosphate,SAPP,Disodium dihydrogenpyrophosphate
Cas No.:7758-16-9
Molecualr Formula:Na2H2P2O7
Moleuclar Weight:221.94
Specification:
|
NO
|
Specifications
|
Standard
|
1
|
Appearance
|
White powder
|
2
|
Assay(as Na2H2P2O7)%≥
|
95.0
|
3
|
PH value
|
3.5-4.5
|
4
|
Water Insoluble matter % ≤
|
1.0
|
5
|
Fluoride (as F) % ≤
|
0.005
|
6
|
Heavy Metals (as Pb) % ≤
|
0.002
|
7
|
Heavy Metals (as As) % ≤
|
0.0003
|
|
Packing: 25kg/bag
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