|
Item
|
Standard
|
Result
|
|
Content (C10H12N2O8Na4.4H2O)
|
≥99.0%
|
99.39%
|
|
Cl
|
≤0.05%
|
0.005%
|
|
Fe
|
≤0.001%
|
0.0005%
|
|
Heavy metals Pb
|
≤0.002%
|
0.0004%
|
|
PH
|
10.5-11.5
|
10.94
|
|
Chelate Value
|
≥215
|
220
|
|
Appearance
|
White crystalline powder
|
White crystalline powder
|
|
Conclusion:
|
The product complies with the TECHNOLOGY GRADE.
|
|
