|
Appearance
|
White or almost white powder
|
|
Assay
|
98.0-100.5%
|
|
Solubility
|
To comply BP test
|
|
Identification
|
To comply IP/BP test
|
|
Appearance of solution
|
To comply IP/BP test
|
|
Acidity or alkalinity
|
To comply IP/BP test
|
|
Water soluble compounds
|
Max 0.5%
|
|
Arsenic (As)
|
Max 0.0005%
|
|
Antimony (Sb)
|
Max 0.01%
|
|
Barium (Ba)
|
To comply IP/BP test
|
|
Heavy metal (as Pb)
|
Max 0.002%
|
|
Iron (Fe)
|
Max 0.02%
|