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Index
|
Food grade
|
Content
Na 5 P 3 O 10
%≥
|
95.0
|
phosphorus pentoxide %≥
|
57.0
|
Water-insoluble %≤
|
0.05
|
Iron
Fe
%≤
|
0.01
|
PH value
1% water solution
|
9.5-10.0
|
Heavy metal (Pb) %≤
|
0.001
|
Arsenic (As) %≤
|
0.0003
|
Fluoride (F) %≤
|
0.003
|
Granularity
16mesh%≥ 35mesh%≥ 100mesh%≥
Powder 100mesh%≥ |
95.0 90.0 40.0 90.0 |
White content %≥
|
90.0
|