items
|
unit
|
Tech grade
|
K2HPO4
|
%≥
|
98.00
|
P2O5
|
%≥
|
40.20
|
K2O
|
%≥
|
52.00
|
Water insoluble
|
%≤
|
0.2
|
pH(1% solution)
|
--
|
8.2--9.6
|
Loss on drying
|
%≤
|
2.0
|
items
|
unit
|
High purity grade
|
K2HPO4
|
%≥
|
98.00
|
P2O5
|
%≥
|
40.20
|
K2O
|
%≥
|
52.00
|
Water insoluble
|
%≤
|
0.2
|
As
|
%≤
|
0.0003
|
Heavy metal (Pb)
|
%≤
|
0.001
|
Pb
|
%≤
|
0.0002
|
Fluorid (F)
|
%≤
|
0.001
|
pH(1% solution)
|
--
|
8.2--9.6
|
Loss on drying
|
%≤
|
2.0
|