| ≥1 piece |
|
ITEMS
|
SPECIFICATION
|
|
Assay Na5P3O10 % >
|
94.0 Min.
|
|
P 2 O 5 % >
|
57.0 Min.
|
|
Water Insoluble Matter % <
|
0.05 Max.
|
|
Iron(Fe) % <
|
150ppm Max.
|
|
PH value (1% water solution)
|
9.5-10.0
|
|
Heavy Metal (as Pb) %<
|
0.001 Max.
|
|
Arsenic (As) % <
|
0.0003 Max.
|
|
Fluoride (F) % <
|
0.003 Max.
|
|
Whiteness % >
|
90
|