|
Appearance
|
White crystalline powder
|
|
Assay (complexometric)
|
99.4- 100.6%
|
|
Ammonia insoluble components
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.001%
|
|
Nitrilotriacetic acid (HPLC)
|
Max 0.1%
|
|
Water
|
Max 0.2%
|
|
Residue on ignition
|
Max 0.1%
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Calcium (Ca)
|
Max 0.001%
|
|
Magnesium (Mg)
|
Max 0.0005%
|