|
Appearance
|
White powder or crystalline Powder
|
|
Assay (complexometric)
|
Min 98%
|
|
Loss on drying (at 150°C; 6 hrs)
|
8.5 - 9.5%
|
|
pH (5 % solution)
|
4 - 5.5
|
|
Insoluble matter in water
|
Max 0.02%
|
|
Chloride (Cl)
|
Max 0.05%
|
|
Nitrilotriacetate [N(CH2COO)3]
|
Max 0.1%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Iron (Fe)
|
Max 0.001%
|