White powder , surface density: 0.35-0.9g/m3
melting point: 622C
melting point: 622C
Specifications fo Sodium Tripolyphosphate:
|
Item
|
Food Grade
|
Industrial Grade
|
|
P (as P2O5)
|
57.0 %min
|
57.0 min
|
|
Assay
|
94 % min
|
94 min
|
|
PH value
|
9.5-10.0
|
9.2-10.0
|
|
Water insoluble
|
0.05 %max
|
0.1max
|
|
Heavy metal (as Pb)
|
0.001% max
|
-
|
|
Iron as Fe
|
0.01% max
|
0.015max
|
|
Chloride (as NaCl)
|
0.025% max
|
-
|
|
Fluoride (F)
|
0.003%max
|
-
|
|
Arsenic as As
|
0.003% max
|
-
|