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الشخص الذي يمكن الاتصال به Mr. li
No 38 nongye road, Zhengzhou, Henan
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Specifications of Polyphosphoric
Acid
|
|||
|
No.
|
Items of Analysis
|
Unit
|
**5% PPA
|
|
1
|
PPA
|
%
|
≥**5.0
|
|
2
|
P2O5
|
%
|
≥*3.3
|
|
3
|
Chloride as Cl
|
%
|
≤0.***5
|
|
4
|
SO4
|
%
|
≤0.**5
|
|
5
|
Iron as Fe
|
%
|
≤0.**2
|
|
6
|
Arsenic as As
|
%
|
≤0.**4
|
|
7
|
Heavy metal as Pb
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%
|
≤0.**3
|
|
8
|
Fluoride as F
|
%
|
≤0.***5
|
|
9
|
Color
|
Apha
|
≤*0
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