|
Name
|
Sodium Tripolyphosphate(STPP) 96%
|
|
Chemical Formula
|
Na5P3O10
|
|
Appearance
|
White powder or granular
|
|
SPECIFICATIONS
|
|
|
Testing Items
|
Standard
|
|
Assay Na5P3O10 % ≥
|
96.0 Min.
|
|
P2 O 5 % ≥
|
57.0 Min.
|
|
Water Insoluble Matter % ≤
|
0.10 Max.
|
|
Iron(Fe) % ≤
|
0.007Max.
|
|
PH value (1% water solution)
|
9.2-10.0
|
|
Whiteness % ≥
|
90.0 Min.
|

