sodium phosphate

sodium phosphate
1,purity:98.5%
2, Molecular: Na3PO4.12H2O
3,Appearance :colorless crystalline powder.

Technical Indexes
Excellent
First grade
Qualified



Sodium phosphate(sodium phosphate hydrate)content % ≥
98.5
98.0
95.0

Sulfate(SO4^2-,)content %≤
0.50
0.50
0.80

Chloride (“cl”)content%≤
0.30
0.40
0.50

Water-insoluble content%≤
0.05
0.10
0.30

methyl orange alkalinity(Na2O)
16.5-19.0
16.0-19.0
15.5-19.0

Fe content %≤
0.01
-
-

Arsenic(by As)%≤
0.005
-
-