|
Ethylene Diamine Tetraacetic Acid (EDTA)
|
|
|
||
|
|
2NA
|
4NA
|
||
|
Test items
|
Test results
|
Test results
|
||
|
Assay %
|
99.2
|
99.5
|
||
|
Chloride (Cl)%
|
0.002
|
0.002
|
||
|
Iron(Fe)%
|
0.0001
|
0.0001
|
||
|
Lead(Pb)%
|
0
|
0
|
||
|
PH 1% solution
|
-
|
11.01
|
||
|
PH(50g/L,25)solution
|
4.36
|
-
|
||
|
(mgcaco./g) Chelating value
|
266
|
221
|
||
|
Sulfate(SO4) Content%
|
0.01
|
0.005
|
||
|
NTA %
|
-
|
0.2
|
||
|
Appearance
|
White crystalline powder
|
White crystalline powder
|
||
|
Final conclusions
|
QUALIFIED
|
QUALIFIED
|
||