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Specification
|
Food grade
|
Appearance
|
White powder
|
Content ( base on Na
2 HPO
4 )
%
|
≥98
|
P
2 O
5 content
%
|
≥49
|
pH value ( 1% aqueous solution )
|
8.5-10.0
|
Water insoluble matters
%
|
≤0.1
|
Loss on drying
%
|
≤2.0
|
Sulfate ( base on SO
4 )
%
|
≤0.05
|
Chloride ( base on Cl )
%
|
≤0.014
|
Fluoride ( base on F )
%
|
≤0.005
|
Heavy metal ( base on Pb )
%
|
≤0.001
|
Arsenic ( base on As )
%
|
≤0.0003
|
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